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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 ...
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 ]
Individual action on climate change. 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. Such personal choices are related to the way people ...
Methane and to a lesser extent nitrous oxide are also major forcing contributors to the greenhouse effect. The Kyoto Protocol lists these together with hydrofluorocarbon (HFCs), perfluorocarbons (PFCs), and sulfur hexafluoride (SF 6), [43] which are entirely artificial gases, as contributors to radiative forcing.
Some climate change effects: wildfire caused by heat and dryness, bleached coral caused by ocean acidification and heating, environmental migration caused by desertification, and coastal flooding caused by storms and sea level rise. Effects of climate change are well documented and growing for Earth's natural environment and human societies. Changes to the climate system include an overall ...
The pathways describe different climate change scenarios, all of which were considered possible depending on the amount of greenhouse gases (GHG) emitted in the years to come. The four RCPs – originally RCP2.6, RCP4.5, RCP6, and RCP8.5 – are labelled after a possible range of radiative forcing values in the year 2100 (2.6, 4.5, 6, and 8.5 W ...
A 2019 review of scientific papers found the consensus on the cause of climate change to be at 100%, [6] and a 2021 study concluded that over 99% of scientific papers agree on the human cause of climate change. [7] The small percentage of papers that disagreed with the consensus often contained errors or could not be replicated.
The climate of the United States is shifting in ways that are widespread and varied between regions. [4][5] From 2010 to 2019, the United States experienced its hottest decade on record. [6] Extreme weather events, invasive species, floods and droughts are increasing. [7][8][9] Climate change's impacts on tropical cyclones and sea level rise ...