UN Provides Snapshot of World Human Development 20 years After 1992 Earth Summit

At the 1992 Earth Summit — the United Nations Conference on Environment and Development — representatives from 178 countries, including 108 world leaders, forged a bold new vision for development — sustainable development. The vision, embodied in Agenda 21 and the Rio Principles, marked a major shift, calling for the full integration of environmental, social and economic dimensions into development planning.


Major efforts have been undertaken through the Millennium Development Goals (MDGs) — eight
targeted development goals designed to advance progress in reducing extreme poverty, hunger,
illiteracy and disease by 2015.

• In every region of the developing world, the percentage of people living on less than $1.25 a day
declined, but over a billion people still live in poverty.
• Since 1992, average life expectancy has increased by three and a half years.
• Today, 27 per cent of the world’s population lives in absolute poverty, down from 46 per cent in 1990.
• Progress on meeting the MDGs has been very uneven across regions, with large areas in sub-
Saharan Africa and south Asia unlikely to achieve the Goals.


In the 1992 Rio Declaration, developed countries acknowledged their responsibility in the global
pursuit of sustainable development. At the 1992 Earth Summit, it was estimated that over $600 billion
a year, through the year 2000, would be needed in developing countries to carry out activities listed
in Agenda 21to achieve sustainable development.

Out of the $600 billion, it was noted in the Agenda 21 text, “about $125 billion in grant or concessional
terms from the international community” was needed. At the time, $125 billion was roughly equal
to 0.7 per cent of the combined gross national income (GNI) of donor countries. At the UN in 1970,
countries agreed to the 0.7 per cent target to be dedicated to official development assistance (ODA),
or foreign aid, which has been met by only a handful of developed countries.

The target agreed to by the 193 parties to the Convention on Biological Diversity to achieve a significant
reduction of biodiversity loss by 2010 was not met.
• Biodiversity has declined by 12 per cent at the global level.
• Environmentally protected areas have increased worldwide by 42 per cent, yet only 13 per cent of
the world’s land surface, 7 per cent of its coastal waters and 1.4 per cent of its oceans are protected
• Some 20 to 30 per cent of species assessed may be at risk of extinction from climate change
impacts before 2100 if increases in global mean temperatures exceed 2-3 °C.
• A new legal protocol was agreed to in Nagoya in 2010 to promote access to and benefit-sharing
from biodiversity resources.

Rapidly expanding cities are straining to provide basic services, including safe water, proper sanitation,
transportation, health and education for their inhabitants, while promoting job-creating economic
development that does not place undue pressures on land and other resources.
• Urban population has grown by 45 per cent since 1992, and in the coming decades, 95 per cent
of the world’s urban population growth will take place in developing countries. About one third of
the world urban population lives in slum conditions.
• There were 23 megacities with at least 10 million people in 2011; up from 10 in 1992, and by 2025,
the number is expected to reach 37.
• The MDG target of significantly improving the lives of at least 100 million slum dwellers has been achieved.

There has been progress in improving and expanding access to freshwater. But due to poor
infrastructure and mismanagement, every year about two million people, mostly children, die from
diseases associated with inadequate water supply, sanitation and hygiene.
• Only 63 per cent of people worldwide now have access to improved sanitation, a figure projected
to increase to only 67 per cent by 2015.
• 89 per cent of the world’s population now uses improved drinking water sources, and the MDG
target for 2015 has been met—but 783 million people are still without access to safe drinking water.

Agricultural output has expanded, but at the same time, soils, freshwater, oceans, forests and biodiversity
are rapidly degrading. Climate change is putting even more pressure on the resources we depend on.
• Food production has continued to rise steadily at a pace exceeding population growth, yet 925 million
people remain hungry.

One in five people—1.4 billion people—still lack access to modern electricity. Three billion people rely
on wood, coal, charcoal or animal wastes for cooking and heating. Energy is the dominant contributor
to climate change, accounting for around 60 per cent of total global greenhouse gas emissions.

• Renewable energy sources (including biomass) currently account for only 13 per cent of the
global energy supply.


Since 1992, 195 countries have joined the UN Framework Convention on Climate Change and 192 have
become members of the Kyoto Protocol, which gained a second commitment period in Durban in 2011.

Countries have agreed that they should work towards the goal of keeping the global temperature rise
to under 2°C. According to the Intergovernmental Panel on Climate Change, evidence suggests that
climate change has led to changes in climate extremes such as heat waves, record high temperatures
and, in many regions, heavy precipitation or droughts in the past half century.
• Carbon dioxide emissions have increased by 38 per cent since 1990.
• The 10 hottest years ever measured have all occurred since 1998.

Oceans and Seas
The world’s oceans – their temperature, chemistry, currents and life – drive global systems that make
the Earth habitable. Our rainwater, drinking water, weather, climate, coastlines, much of our food, and
even the oxygen in the air we breathe, are all ultimately provided and regulated by the sea.
• About 85 per cent of all fish stocks in the oceans are now overexploited, depleted, recovering or
fully depleted.
• Sea levels have risen at an average rate of about 2.5 mm per year since 1992.
• Around 25 per cent of the world’s C02 emissions are being absorbed into the seas and oceans,
where they are converted to carbonic acid, threatening coral reefs and other marine life.

More than 1.6 billion people, a quarter of the world’s population, depend on forests for their livelihoods.
• Primary forest area decreased by 300 million hectares since 1990.
• An estimated 80 per cent of the world’s forests are publicly owned.

The Montreal Protocol on Substances that Deplete the Ozone Layer are dedicated to the protection of the
earth’s ozone layer. With 196 parties, it is one of the most widely ratified treaties in United Nations history.
• Over 90 per cent of all ozone-depleting substances under the Montreal Protocol were phased out
between 1992 and 2009.

Resources and waste
The depletion and exploitation of our resources undermines global progress and requires rethinking
resource management and how we produce and consume.
• The global use of natural resources rose by over 40 per cent from 1992 to 2005.
• Since 1992, demand for cement rose by more than 170 per cent and demand for steel by more than
100 per cent. Plastics production rose by 130 per cent.

Land Degradation
Productive lands in dry regions or drylands around the world, home to more than two billion people,
are under increasing threat due to poor land management practices and climate change.
• More than 12 million hectares of productive land are lost due to desertification every year, the
equivalent of losing an area the size of South Africa every decade.
• Over the next 25 years land degradation could reduce global food production by as much as 12 per cent
leading to a 30 per cent increase in world food prices.

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