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— Greta Thunberg, Stockholm November 2018 Thunberg says she first heard about climate change in 2011, when she was eight years old, and could not understand why so little was being done about it. The situation depressed her, and as a result, at the age of 11, she stopped talking and eating much and lost ten kilograms (22 lb) in two months. Eventually, she was diagnosed with Asperger syndrome ...
The global warming potential (GWP) is defined as an "index measuring the radiative forcing following an emission of a unit mass of a given substance, accumulated over a chosen time horizon, relative to that of the reference substance, carbon dioxide (CO 2 ). The GWP thus represents the combined effect of the differing times these substances ...
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 ...
Other approaches to mitigating climate change have a higher level of risk. Scenarios that limit global warming to 1.5 °C typically project the large-scale use of carbon dioxide removal methods over the 21st century. [292] There are concerns, though, about over-reliance on these technologies, and environmental impacts. [293]
Climate Clock. The Climate Clock is a graphic to demonstrate how quickly the planet is approaching 1.5 °C of global warming, given current emissions trends. [ 1] It also shows the amount of CO 2 already emitted, and the global warming to date. The Climate Clock was launched in 2015 to provide a measuring stick against which viewers can track ...
External videos. Karen Christiana Figueres Olsen (born 7 August 1956) is a Costa Rican diplomat who has led national, international and multilateral policy negotiations. She was appointed Executive Secretary of the UN Framework Convention on Climate Change (UNFCCC) in July 2010, [ 1][ 2] six months after the failed COP15 in Copenhagen. [ 3]
A shift of 1 or 100% (darker colours) indicates that the region has fully moved into a completely different biome zone type. [1] Climate change is already now altering biomes, adversely affecting terrestrial and marine ecosystems. [2] [3] Climate change represents long-term changes in temperature and average weather patterns.
And there was little understanding about how to keep warming to 1.5 °C. So the UNFCCC invited the IPCC to prepare a report on global warming of 1.5 °C. The IPCC subsequently released the Special Report on Global Warming of 1.5 °C (SR15) in 2018. [84] The report showed that it was possible to keep warming below 1.5 °C during the 21st century.