Greenpeace Survey reveals business demand for Government leadership against global warming

Climate Change

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What we do

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What you can do

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Climate change -- the problem

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Deforestation

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Other greenhouse gases

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Common myths

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Impacts

No one knows how much warming is "safe". What we do know is that climate change is already harming people and ecosystems. Its reality can be seen in melting glaciers, disintegrating polar ice, thawing permafrost, dying coral reefs, rising sea levels, changing ecosystems and fatal heat waves. And it is not only scientists that are witnessing these changes. From Inuit in the far north to islanders near the equator - people are already struggling with the impacts of climate change.

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Global Melting

As the Earth warms, its ice melts. This global melting is an early and obvious sign of climate change, but its implications go far beyond merely losing snow and ice. For starters, some people and ecosystems depend on the ice - glaciers for water supply in areas of seasonal rainfall, for example, and sea ice for habitat.

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Habitat loss

"Most of the world's endangered species -- some 25 per cent of mammals and 12 per cent of birds -- may become extinct over the next few decades as warmer conditions alter the forests, wetlands, and rangelands they depend on, and human development blocks them from migrating elsewhere." -- UN Framework Convention on Climate Change.

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Health, food and water

Heat waves attributable in part to climate change are forecast to kill hundreds of thousands in this century, however climate change will also have disastrous effects on water supplies, agriculture, and the spread of disease. Rich and poor alike will be affected, but countries that are already struggling to provide food and water for their people will suffer the most.

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Sea level rise

"The Maldives is one of the small states. We are not in a position to change the course of events in the world. But what you do or do not do here will greatly influence the fate of my people. It can also change the course of world history." -- Statement by H.E. Maumoon Abdul Gayoom (Maldives) Kyoto, Japan, 3rd Conference of the Parties of the UNFCCC

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Extreme weather

There is strong evidence that extreme weather events – such as hurricanes, floods, droughts and heat waves – are increasing because of climate change. In fact, the Financial Initiative of the United Nations Environment Programme (UNEP) recently calculated that the economic costs of global warming are doubling every decade. The cumulative number of people affected by disasters rose to two billion in the 1990s, up from 740 million in the 1970s. Virtually all of these millions were concentrated in poorer countries.

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Ocean circulation

The water in our world's oceans is always moving – pulled by tides, blown by waves, and slowly circulating around the globe by the force of the Great Ocean Conveyor Belt (aka thermohaline circulation). The Conveyor is powered by differences is water temperature and salinity, and one of its most well know parts, the Gulf Stream, is what gives Europe it's relatively mild climate.

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Climate voices

The real meaning of climate change can not be fully grasped from scientific charts and equations alone; one needs to hear the stories of those who are living through it, grappling with its implications, and struggling to find ways to halt it. Part of what Greenpeace does is to give a voice to these first hand witnesses of climate change. Here is what some of them have to say:

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Air Pollution

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Politics

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Kyoto

On 16 February 2005, in the culmination of ten years of sometimes exhausting and often frustrating negotiations, the Kyoto Protocol became law. Thirty-five industrialised countries along with the European Union are now legally bound to reduce or limit their greenhouse gas emissions.

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Kyoto - possible pitfalls

Although it is the only international agreement which limits the emissions that cause climate change, the Kyoto Protocol is far from perfect, and contains potential loopholes. Over the years of negotiations, many of these have been closed or restricted, but enough remain to undermine the effectiveness of the agreement if the international community is not vigilant.

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United Nations

The United Nations plays a key role in coordinating the international response to climate change. But it is no simple job getting cooperation and agreement from the 191 member states of the UN - all intent on pursuing their own self interests and policies - even when the evidence is clearly shows that failing to act would be disastrous for all.

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Solutions

Solutions to global warming - renewable energy, energy efficiency and new environmentally sound technologies - already exist.

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Energy efficiency

Energy efficiency is a very broad term referring to the many different ways we can get the same amount of work (light, heat, motion, etc.) done with less energy. It covers efficient cars, energy saving lights, improved industrial practices, better building insulation and a host of other technologies. Since saving energy and saving money often amount to the same thing, energy efficiency is highly profitable.

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Wind

Wind power, the world's fastest growing energy source, is a deceptively simple technology. Behind the tall, slender towers and steadily turning blades lies a complex interplay of lightweight materials, aerodynamic design and computer controlled electronics. Power is transferred from the rotor through a gearbox, sometimes operating at variable speed, and then to a generator (although some turbines avoid a gearbox by use of direct drive).

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Solar - Sunlight to Energy

Solar Energy is already being harnessed in many part of the world and it has the potential to provide several times the current world energy consumption if properly exploited. Solar can be used to directly produce electricity or for heating and even for cooling. Future potential of solar is only limited by our willingness to seize the opportunity.

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Geothermal

Geo (Earth) thermal (heat) energy means harnessing heat from inside the Earth. Our planet's core is incredibly hot – 5,500° Celsius (9,932° F) by recent estimates – so it's no surprise that even the top three metres of Earth's surface stay a nearly constant 10-16° Celsius (50-60° F) year round. Plus, thanks to various geological processes, at some places much higher temperatures can be found in some places.

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Bioenergy

Bioenergy (aka biomass energy) is using organic matter (plants, etc.) as fuel via technologies such as gas collection, gasification (converting solid material to gas), combustion and digestion (for wet wastes). If implemented properly biomass can be a valuable source of renewable energy, but much depends on how the biomass fuel is produced.

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Hydroelectric

Hydroelectric energy is water energy. Moving water contains an enormous store of natural energy, whether the water is part of a running river or waves in the ocean. Think of the destructive force of a river breaking its banks and causing floods or of tall waves breaking on a shallow coastlines, and you can visualize the amount of power involved.

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Greenfreeze and solar chill

Sometimes you just have to show the world how it's done. Greenfreeze is Greenpeace's market proven, environmentally friendly, refrigeration technology. The SolarChill project aims to create a stand-alone solar powered refrigerator that not only preserves food, but also meets the World Health Organization's standards for vaccine storage.

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Solutions myths

Questions about solutions answered, and some myths debunked.

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