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Pontifical Council for Justice and Peace / Cardinal Peter Turkson
Catholics conserving nature and protecting life.™
Protect the Earth, Dignify Humanity: The Moral Dimensions of Climate Change
and Sustainable Development
Cardinal Peter K. A. Turkson
Casino Pio IV, Vatican City, 28 April 2015
Our topic and task, in the words of today’s
title, is to “Protect the Earth, Dignify
Humanity”. The subtitle would have us grasp
“climate change and sustainable
development” by insisting upon their “moral
dimensions”. We will indeed come to grips
with the problems if, and only if, the stand
we take is substantially human and moral.
Out of this title and sub-title, let me focus on three points to frame the discussion:
The title states the problems as imperatives – the earth needs to be protected, humanity
needs to be dignified.
The subtitle, secondly, names the solutions as course correction – to manage climate change
and to promote sustainable development.
As the problems are vast and the solutions long-running, thirdly, the solutions cannot be
merely technical, nor our commitments merely contractual. Rather, they must be grounded
in morality, oriented by morality and measured in terms of human flourishing and well-being.
The problems as imperatives
Although the problems we face are striking, even frightening, we do appreciate and affirm the
great achievements of the last two centuries. Remarkable scientific, technological and economic
progress has significant numbers enjoying lifespans, livelihoods and lifestyles unimaginable for
our ancestors. The last few decades have witnessed hundreds of millions lifted out of extreme
poverty along with accelerated travel, transportation and communications.
But this progress has its dark sides and unacceptable costs. Despite the generation of great
wealth, we find starkly rising disparities – vast numbers of people excluded and discarded, their
dignity trampled upon. As global society increasingly defines itself by consumerist and monetary
values, the privileged in turn become increasingly numb to the cries of the poor.
At least three billion of the seven billion inhabitants of the planet are mired in poverty, a third of
them in extreme poverty, while a privileged global elite of about one billion people control the
bulk of the wealth and consumes the bulk of resources. Consider the consequences in one sector:
food. Today the world produces more than enough food to feed its 7.3 billion inhabitants, but
over 800 million (over 11%) go hungry, while the FAO estimates that each year, approximately
one-third of all food produced for human consumption in the world is lost or wasted.
Beyond all shame, many of our fellow men, women and children are treated as mere instruments
of labour, of profit or of pleasure, especially through human trafficking and modern forms of
Pope Francis rightly deplores all this: the “throwaway culture”, the new forms of slavery, and the
“globalization of indifference”. They are poisonous. They thwart human purpose, choke human
potential, and affront human dignity.
Focussing on the natural environment, indifference, abusive treatment and the throwaway
approach also apply to how we treat the natural world, the planet Earth, the garden that was
given to us as our home.
Human beings are part of nature. From conception to the moment of death, the life of every
person is integrated with and sustained by the awesome panoply of natural processes. This calls
for a reciprocal response on the part of humanity – to nourish and sustain the earth, the garden,
that in turn nourishes and sustains us. Today, the ever-accelerating burning of fossil fuels that
powers our economic engine is disrupting the earth’s delicate ecological balance on almost-
In our recklessness, we are traversing some of the planet’s most fundamental natural
boundaries. And the lesson from the Garden of Eden still rings true today – pride, hubris, self-
centredness are always perilous, indeed destructive. The very technology that has brought great
reward is now poised to bring great ruin.
Climate-related disasters are a reality both for poor countries on the margins of the modern
economy and for those at its heart. Consider the devastating droughts from California to Syria to
Africa. Consider the increasing prevalence of extreme weather events, which always hit the poor
hardest. For example, a typhoon devastated the Philippines in 2013, killing about 6,000 people.
In the Philippines, as is the case in many countries worldwide, people in such situations are
simply too poor to protect themselves. They are at the mercy of nature’s fury.
The solutions as course correction
Let me turn now to solutions. We clearly need a fundamental change of course, to protect the
earth and its people – which in turn will allow us to “dignify humanity”.
Everything stems from the essential principle that we are made in the image and likeness of God,
and thus possessing an innate dignity that can never be denied, degraded, or denigrated. That
means treating every single person as a brother or a sister – with a relationship based on
respect, reconciliation, and solidarity.
It also means recognizing that everything that God has created is good, precious, and valuable –
and that God has given all of us this planet as a gift, to provide for our needs. And the correct
response to receiving such a magnificent gift is surely one of gratitude, love and respect.
According to the Book of Genesis, God the Creator charged us to till the earth and to keep it (Gn
2:15). These balanced concepts of “tilling” and “keeping” imply a vital and reciprocal relationship
between humanity and the created world. Every person and every community has a sacred duty
to draw prudently, respectfully and gratefully from the goodness of the earth, and to care for it in
a way that assures its continued fruitfulness for generations to come. Those who till and keep the
land also have a great responsibility to share its fruits with others – especially the poor, the
dispossessed, the stranger, the forgotten. The Hebrew-Christian Scripture is unequivocal about
this – the gift of the land is a gift for all. The global atmosphere, the oceans, the forests, and
other natural resources are common goods of mankind. Like others, Pope Francis has asserted
that the earth is not just a legacy from our parents, but a loan from our children, so we must
protect and care for it with great tenderness and with a keen sense of inter-generational
solidarity. At the same time, the prophet Isaiah brilliantly links the environmental degradation
with human behaviour: “The earth languishes for the sins of man.”
To till and to keep does not prohibit humanity from making use of the earth’s gifts. But at the
same time, the current economic-developmental model is out of balance.
It is blatantly clear that we have “tilled too much” and “kept too little”. Our relationship with the
Creator; with our neighbour, especially the poor; and with the environment has become
We must move away from this mode of behaviour, and instead become more protective, more
In practical terms, we need innovative and sustainable technological and economic solutions, as
well as brave and determined political leadership exercised at various levels including the global
one. We need to shift away from an unthinking infatuation with GDP and a single-minded zeal
for accumulation. We need to learn to work together toward sustainable development, in a
framework that links economic prosperity with both social inclusion and protection of the natural
We need the community of nations to embrace this concept of “sustainable development”. In this
great quest, 2015 will be a defining year. Three major conferences – on financing development in
Addis Ababa in July, on SDGs in New York in September, and on climate change in Paris at the
end of November – must come to grips with the problems and agree on proportionate remedies.
The grounding in morality
Let me finally turn to the moral foundation, guidelines, and criteria. The Ecumenical Patriarch
Bartholomew clearly and compellingly situates the problematic:
“It follows that, to commit a crime against the natural world, is a sin. For humans to cause
species to become extinct and to destroy the biological diversity of God's creation... for humans
to degrade the integrity of Earth by causing changes in its climate, by stripping the Earth of its
natural forests, or destroying its wetlands... for humans to injure other humans with disease...
for humans to contaminate the Earth's waters, its land, its air, and its life, with poisonous
substances... these are sins.”
Without moral conversion and change of hearts, even good regulations, policies, and targets in
the world are unlikely to prove effective. Without this ethical foundation, humanity will lack the
courage (moral substance) to carry out even the most sensible policy proposals. Yet without
effective policies, our moral energy is all-too-easily dispersed.
This is an all-embracing moral imperative: to protect and care for both creation, our garden
home, and the human person who dwells herein – and to take action to achieve this. If the
dominant, pervasive ethos is selfishness and individualism, sustainable development will not
come about. For progress towards sustainability requires a fundamental openness to relationship
or, in other words, justice and responsibility, opening up new avenues of solidarity.
Citizens of wealthier countries must stand shoulder to shoulder with the poor, both at home and
overseas. They have a special obligation to help their brothers and sisters in developing countries
to cope with climate change by mitigating its effects and by assisting with adaptation. A simple
analogy might help make this clear. Imagine ten people walking in a vast desert. Two of the ten
people have already drunk half of the group’s combined supply of water. The other eight are
growing weak from thirst. And there is no more water in sight. In such a desperate situation, the
two who have drunk their fill have a moral duty to scout ahead to find an oasis. When they find
it, they have a moral duty to guide the rest of the group there, making sure that no life is lost.
As this suggests, the wealthiest countries, the ones who have benefitted most from fossil fuels,
are morally obligated to push forward and find solutions to climate-related change and so protect
the environment and human life. They are obliged both to reduce their own carbon emissions and
to help protect poorer countries from the disasters caused or exacerbated by the excesses of
This moral obligation extends to all – political leaders, corporate leaders, civil society, and
ordinary people too. Corporations and financial investors must learn to put long-term
sustainability over short-term profit, and to recognize that the financial bottom line is secondary
to, and at the service of, the common good. And every single person of good will is summoned by
an inner call to embrace the personal virtues that ground sustainable development – and the
most important of these is an enfolding charity that radiates outwards from the self to others,
from those alive today to those not yet born.
In this core moral space, the world’s religions play a vital role. These traditions all affirm the
inherent dignity of every individual linked to the common good of all humanity. They affirm the
need for an economy of inclusion and opportunity, where all can flourish and fulfil their God-given
purpose. They affirm the beauty, wonder, and inherent goodness of the natural world, and
appreciate that it is a precious gift entrusted to our common care – making it our moral duty to
respect rather than ravage, to keep rather than lay waste, to protect rather than plunder, to
steward rather than sabotage, the garden which is our home and shared inheritance of natural
These religious insights can help orient and integrate human beings within the wider universe, to
identify what is truly valuable, what we protect and sustain as sacred. Within the Christian
tradition, what more radical charter for sustainable development can we find than the Beatitudes;
the call for generosity, mercy, and encounter that permeates Evangelii Gaudium? What better
role model for the virtues of sustainable development than St. Francis of Assisi, who lived his life
based on kinship and fraternity with creation, creatures, and the poor?
I know that each tradition represented here today can draw from similarly deep roots.
We therefore need to cultivate a new set of values and virtues – including conservation of the
environment, compassion for the excluded, courage to take bold decisions, and a commitment to
work together in common purpose for the global common good. We need a full conversion of
hearts and minds, habits and lifestyles, structures and institutions.
Ultimately, it is about the habituation of virtuous practices, stemming from an intrinsic desire to
do what is right. And here, the world needs good role models. So let religious leaders step up to
the plate! Let us lead by example! Think of the positive message it would send for people of faith
to not only preach sustainability but to live sustainable lives! For example, think of the positive
message it would send for churches, mosques, synagogues, and temples all over the world to
become carbon neutral.
At a time like this, the world is looking to faith leaders for guidance. This is why Pope Francis has
chosen to issue an encyclical on protecting the environment at this unique moment in time.
Let me end by looking back and looking ahead. The Church is not an expert on science,
technology, or economics. We rely on good people like you in this room for that. But the Church
is an "expert in humanity" – on the true calling of the human person to act with justice and
charity. It is for this reason that the Church reads the "signs of the times" at key moments in
In the late 19th and early 20th centuries, the Church expressed deep concern for injustices that
arose from industrialization, with a vast chasm emerging between the privileged few and the
In the latter half of the last century, she turned her attention to the thorny challenge of global
development, and to the grave threat posed by the accumulation of nuclear weapons during the
And now, the Church must speak forcefully on the great challenge of our time – the challenge of
sustainable development. As the title of Jeffrey Sachs's new book – copies of which are here
today – says, we are living in the age of sustainable development, and it is up to all of us to
make the right choices, the moral choices.
This September, Pope Francis will address the United Nations on the sustainable development
goals. Fifty years earlier, Blessed Pope Paul VI addressed the same General Assembly. The
problems were different, and yet the orientation of the Church is similar.
Blessed Paul VI concluded his address with these words: "The edifice you are building does not
rest on purely material and terrestrial foundations, for in that case it would be a house built on
sand. It rests most of all upon consciences. Yes, the time has come for ‘conversion,’ for personal
transformation, for interior renewal.”
The Holy Father went on to say: "The appeal to the moral conscience of man has never before
been as necessary as it is today, in an age marked by such great human progress. For the danger
comes neither from progress nor from science; if these are used well they can, on the contrary,
help to solve a great number of the serious problems besetting mankind. The real danger comes
from man, who has at his disposal ever more powerful instruments that are as well fitted to bring
about ruin as they are to achieve lofty conquests."
In the light of Blessed Paul VI’s stirring appeal “to the moral conscience of man,” let us adopt the
primary virtues of stewardship and solidarity. Without stewardship, the Earth will be less and less
habitable. Without solidarity, greed will wreak ever greater havoc. But with stewardship and
solidarity, we are sure to generate greater sustainability and greater security. We can ever more
realistically count on a hospitable planet that provides a nurturing home for every man, woman,
and child in every country and in every generation.
To get there, we need that same conversion, that same personal transformation, that same
renewal that Blessed Paul VI talked about a half century ago and that Pope Francis encourages so
Thank you for gathering in this Pontifical Academy to help the Church, all believers, all people of
good will, to join together in taking up the challenges.
Thank you very much.
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© Copyright - Libreria Editrice Vatican
 FAO, Food wastage footprint, Impacts on natural resources. Summary report, 2013, p. 6.
 Cf. Isaiah, ch. 24.
 In a different but related context, the Pontifical Council for Justice and Peace reflected deeply
on the global financial crisis, cf. Towards reforming the international financial and monetary
systems in the context of global public authority, Libreria Editrice Vaticana, 2011.
 Patriarch Batholomew, Speech at the Environmental Symposium, Santa Barbara, U.S.A.,
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