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Greta Thunberg giving a speech in Berlin (July 2019) Swedish climate activist Greta Thunberg has been noted for her skills as an orator. Her speech at the 2019 United Nations climate summit made her a household name. Prior to her speaking engagements, Thunberg had demonstrated outside the Swedish parliament, the Riksdag, using the signage Skolstrejk för klimatet (School strike for climate ...
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 ...
In order to stay under 1.5 °C of global warming, carbon dioxide (CO₂) emissions from G20 countries need to decline by about 45% by 2030 and attain net zero in 2050. [18] To be able to meet the 1.5 °C or even 2 °C, which is the maximum set by the Paris Agreement , greenhouse gas emissions must start to fall by 7.6% per year starting on 2020 ...
To limit global warming to less than 1.5 °C global greenhouse gas emissions needs to be net-zero by 2050, or by 2070 with a 2 °C target. [271] This requires far-reaching, systemic changes on an unprecedented scale in energy, land, cities, transport, buildings, and industry.
The United States Environmental Protection Agency had issued a 100-page report on global warming and human health back in 1989. [131] [144] By the early years of the 21st century, climate change was increasingly addressed as a public health concern at a global level, for example in 2006 at Nairobi by UN secretary general Kofi Annan.
[5] [6] As a result, global warming of about 1.2 °C (2.2 °F) has occurred since the Industrial Revolution, [7] with the global average surface temperature increasing at a rate of 0.18 °C (0.32 °F) per decade since 1981. [8] All objects with a temperature above absolute zero emit thermal radiation.
This creates air pollution, including nitrous oxides and particulates, and is a significant contributor to global warming through emission of carbon dioxide, [275] for which transport is the fastest-growing emission sector. [276] By subsector, road transport is the largest contributor to global warming. [275]
The National Energy Plan is in accord with the Paris Agreement target of 2 °C global warming, but if India stopped building coal-fired power stations it would meet the 1.5 °C aspiration. [55] India pledged to achieve electric power generation of 40% percent non-fossil fuel energy by 2030. [18]