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A related phenomenon driven by climate change is woody plant encroachment, affecting up to 500 million hectares globally. [231] Climate change has contributed to the expansion of drier climate zones, such as the expansion of deserts in the subtropics. [232] The size and speed of global warming is making abrupt changes in ecosystems more likely ...
Main sources of global methane emissions (2008-2017) according to the Global Carbon Project [ 40] Methane emissions come from livestock, manure, rice cultivation, landfills, wastewater, and coal mining, as well as oil and gas extraction. [ 41] Nitrous oxide emissions largely come from the microbial decomposition of fertiliser.
The 2017 United Nations Climate Change Conference ( COP23) was an international meeting of political leaders, non-state actors and activists to discuss environmental issues. It was held at UN Campus in Bonn, Germany, during 6–17 November 2017. [1] The conference incorporated the 23rd Conference of the Parties to the United Nations Framework ...
SRCCL summary for policymakers (SPM) : 2 There are four sections in the Summary for Policymakers (SPM). The first deals with "people, land and climate in a warming world"; the second covers "adaptation and mitigation response options"; the third focuses on "enabling response options" and the fourth considers "action in the near-term". In the first section, the SPM says that human-induced land ...
Deforestation and climate change. Deforestation in the tropics – given as the annual average between 2010 and 2014 – was responsible for 2.6 billion tonnes of CO 2 per year. That was 6.5% of global CO 2 emissions. Deforestation is a primary contributor to climate change, [ 1][ 2] and climate change affects the health of forests. [ 3]
In 2018, global commercial operations emitted 918 million tonnes (Mt) of CO 2, 2.4% of all CO 2 emissions: 747 Mt for passenger transport and 171 Mt for freight operations. [3] Between 1960 and 2018, CO 2 emissions increased 6.8 times from 152 to 1,034 million tonnes per year. [1] Emissions from flights rose by 32% between 2013 and 2018. [24]
A demonstrator taking action through climate activism at the People's Climate March (2017) in Washington, D.C.. Individual action on climate change is about personal choices that everyone can make to reduce the greenhouse gas emissions of their lifestyles.
The panel's report, titled Climate Change Science: An Analysis of Some Key Questions, [58] has been widely cited. Lindzen subsequently publicly criticized the report summary for not referring to the statement in the full report that twenty years of temperature measurements was "too short a period for estimating long term trends". [59]