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Energy and Climate Change

Frequently asked questions about Energy and Climate Change

China’s emission trends greatly influence global emissions, as China currently emits almost a quarter of all global greenhouse gas emissions.

The main drivers of climate change are greenhouse gas emissions from energy use and agriculture.
These emissions lead to increases in greenhouse gas concentrations in the atmosphere, which has a warming effect on climate. 

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Model analysis suggests that it is possible to achieve the 2 °C climate target, with a likely chance, given the estimated 2020 emission level resulting from current implemented and planned policies.

Rapid emission reductions required...read more

In order to achieve the 2 °C climate target, very ambitious measures would have to be implemented throughout all sectors and in a substantial number of countries.

Several scenarios exist that explore such pathways on a global level.

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By 12 November 2015, more than 160 countries have submitted their Intended Nationally Determined Contributions (INDCs) in preparation for the adoption of the Paris Agreement in December 2015. These...read more

Increasing temperatures are expected to lead to higher climate impacts.

  • In most cases, it is easiest to determine possible climate damages in physical terms, such as flooding caused by sea-level rise and increased heat stress.
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Without new climate policies, emissions are expected to increase further. The extent to which they will increase depends on future population and income trends.

  • ‘Business-as-usual’ projections (without policy interventions) typically...read more

At the 2010 Copenhagen climate summit countries agreed to mobilise USD 100 billion per year, by 2020, to help developing countries reduce emissions and adapt to climate change.

This funding would come from a wide variety of sources, both...read more

Changes in the intensity of sunlight reaching the earth can cause cycles of warming and cooling that have been a regular feature of the Earth's climatic history. Some of these solar cycles, like the four large glacial-interglacial swings during...read more

REDD is the UN collaborative programme on Reducing Emissions from Deforestation and Forest Degradation in developing countries. According to the FAO, deforestation, mainly from conversion of forests to agricultural land, continues at an alarming...read more