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UN-backed ecological report warns of potential new diseases and
‘dead zones’

Ecosystems crucial for
economic, social, & spiritual
stability

30 March 2005
– The emergence of new diseases, sudden changes in water
quality, creation of coastal “dead zones,” the collapse of fisheries and
shifts in regional climate are just some of the potential consequences of
humankind’s degradation of the planet’s ecosystems, according to a new
United Nations-backed report launched today.

Humans have changed ecosystems more rapidly and extensively in the last
50 years than in any other period; some 60 per cent of ecosystem elements
supporting life on Earth, such as fresh water, clean air or a relatively
stable climate, are being degraded or used unsustainably; and the
situation could become significantly worse during the first half of this
century, according to the study.

“Only by valuing all our precious natural and human resources can we
hope to build a sustainable future,” Secretary General Kofi Annan said in
a message
launching the Millennium Ecosystem Assessment (MA) Synthesis Report
compiled by 1,300 scientists in 95 countries. “The Millennium Ecosystem
Assessment is an unprecedented contribution to our global mission for
development, sustainability and peace.”

The four-year assessment was designed by a partnership of UN agencies,
international scientific organizations and development agencies, with
private sector and civil society input, in response to Mr. Annan’s call
for global support of the Millennium Development Goals (MDGs), which seek
to slash a host of socio-economic ills such as extreme poverty and hunger
by 2015.

“The overriding conclusion of this assessment is that it lies within
the power of human societies to ease the strains we are putting on the
nature services of the planet, while continuing to use them to bring
better living standards to all,” the MA board of directors said in a
statement, “Living beyond Our Means: Natural Assets and Human Well-being.”

“Achieving this, however, will require radical changes in the way
nature is treated at every level of decision-making and new ways of
cooperation between government, business and civil society. The warning
signs are there for all of us to see. The future now lies in our hands.”

Although evidence remains incomplete, the report finds enough to warn
that ongoing degradation of 15 of the 24 ecosystem services examined –
including fresh water, capture fisheries, air and water regulation, and
regulation of regional climate, natural hazards and pests – increases the
likelihood of potentially abrupt changes that will seriously affect human
well-being.

Its findings include:

More land has been converted to agriculture since 1945 than in the
18th and 19th centuries combined. More than half of all the synthetic
nitrogen fertilizers, first made in 1913, ever used on the planet have
been used since 1985, resulting in a substantial and largely
irreversible loss in diversity, with some 10 to 30 per cent of the
mammal, bird and amphibian species currently threatened with extinction.

Ecosystem degradation is a barrier to achieving the MDGs. In all the
four plausible futures explored, scientists project progress in
eliminating hunger, but at far slower rates than needed to halve the
scourge by 2015. Changes in ecosystems such as deforestation influence
the abundance of human pathogens such as malaria and cholera, as well as
the risk of emergence of new diseases. Malaria, for example, accounts
for 11 per cent of the disease burden in Africa and had it been
eliminated 35 years ago, the continent’s gross domestic product would
have increased by $100 billion.

The world’s poorest people suffer most from ecosystem changes. The
regions facing significant problems of degradation – sub-Saharan Africa,
Central Asia, some regions in Latin America, and parts of South and
Southeast Asia – also face the greatest challenges in achieving the
MDGs, such as halving extreme poverty by 2015. In sub-Saharan Africa the
number of poor is forecast to rise to 404 million in a decade from 315
million in 1999.

The report was launched simultaneously at several UN headquarters
around the world. “The challenge of ensuring the future of our environment
is pressing and concerns us all, whether we work in education, science,
culture or communication,” UN Educational, Scientific and Cultural
Organization (UNESCO) Director-General Koïchiro Matsuura said in a message
in Paris.

“The work of the Millennium Ecosystem Assessment makes clear how
ecosystems and human health are intertwined and further highlights how
important it is that decisions related to economic development also
protect the environment, in order to ultimately safeguard human health,”
said Kerstin Leitner, Assistant Director-General for Sustainable
Development and Healthy Environments of the Geneva-based World Health
Organization (WHO).

“The Millennium Ecosystem Assessment gives us, in some ways for the
first time, an insight into the economic importance of ecosystem services
and some new and additional arguments for respecting and conserving the
Earth’s life support systems,” declared Klaus Toepfer, Executive Director
of the Nairobi-based UN Environment Programme (UNEP).

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