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Please note that this is a collaborative website that serves to assemble the different elements of the WESR-Climate change data & information platform. The different components will be integrated later within an ad-hoc layout on the dedicated section of the UNEP-WESR website ....

Introduction

Many lines of evidence demonstrate that human activities, especially emissions of heat-trapping greenhouse gases from fossil fuel combustion, deforestation, and land-use change, are primarily responsible for the climate changes observed in the industrial era, especially over the last six decades.
Greenhouse gas emissions from human activities will continue to affect Earth’s climate for decades and even centuries. Humans are adding carbon dioxide to the atmosphere at a rate far greater than it is removed by natural processes, creating a long-lived reservoir of the gas in the atmosphere and oceans that is driving the climate to a warmer and warmer state.
Burning fossil fuels for electricity, mobility, and heat. Manufacturing cement and steel. Plowing soils. Clearing forests and degrading other ecosystems. All these activities emit heat-trapping carbon dioxide into the air. Cattle, rice fields, landfills, and fossil fuel operations release methane—a gas that warms the planet even more

Source: Drawdown ReviewTHEClimate Solutions for a New Decade

Greenhouse gas emissions (GHG) and deforestation
GHG emissions

GHG emissions continue to rise, despite scientific warnings and political commitments.
GHG emissions continue to rise, despite scientific warnings and political commitments.

GHG emissions have risen at a rate of 1.5 per cent per year in the last decade, stabilizing only briefly between 2014 and 2016. Total GHG emissions, including from land-use change, reached a record high of 55.3 GtCO2e in 2018.

Fossil CO2 emissions from energy use and industry, which dominate total GHG emissions, grew 2.0 per cent in 2018, reaching a record 37.5 GtCO2 per year.

Source Emissions Gap Report 2019

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Global and regional
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Deforestation

Deforestation continues, but at a lower rate
An estimated 420 million ha of forest has been lost worldwide through deforestation since 1990, but the rate of forest loss has declined substantially. In the most recent five-year period (2015–2020), the annual rate of deforestation was estimated at 10 million ha, down from 12 million ha in 2010–2015.

About 98 million ha of forest were affected by fire in 2015*; this was mainly in the tropical domain, where fire burned about 4 percent of the total forest area in that year.

Source: FAO FRA 2020

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