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It warned that greenhouse gas emissions must peak before 2025 at the latest and decline 43% by 2030 to have a good chance of limiting global warming to 1.5 °C (2.7 °F). [28] [29] Or in the words of Secretary-General of the United Nations António Guterres: "Main emitters must drastically cut emissions starting this year". [30]
Martin I. Hoffert was one of the first scientists to predict global warming due to carbon dioxide, while working at Exxon in the 1980s. [23] Hoffert suggested in a 2010 Science article that Pacala and Socolow's 2004 estimates were too low, and that some of their assumptions about declining carbon-to-energy ratios were being countered by ...
Drawdown: The Most Comprehensive Plan Ever Proposed to Reverse Global Warming is a 2017 book created, written, and edited by Paul Hawken about climate change mitigation. Other writers include Katharine Wilkinson , and the foreword was written by ( hardback edition) Tom Steyer and ( paperback ) Prince Charles .
Scientists have scoured the depths of the ocean and outer space for microbes to help slow global warming. They are now looking at a new and unlikely place — inside your home.
As of 2021 the remaining carbon budget for a 50-50 chance of staying below 1.5 degrees of warming is 460 bn tonnes of CO 2 or 11 + 1 ⁄ 2 years at 2020 emission rates. [14] Global average greenhouse gas per person per year in the late 2010s was about 7 tonnes [15] – including 0.7 tonnes CO 2 eq food, 1.1 tonnes from the home, and 0.8 tonnes from transport. [16]
This is because it does not account for the future risks of climate change. Some advocates have proposed integrating climate change adaptation into poverty reduction programs. [136] From 2010 to 2020, Denmark increased its global warming adaptation aid by one third, from 0.09% of GDP to 0.12% of GDP. But this did not involve additional funds.
As reported by the Intergovernmental Panel on Climate Change (IPCC), most of the observed global warming since the mid-20th century is very likely due to human-produced emission of greenhouse gases and this warming will continue unabated if present anthropogenic emissions continue or, worse, expand without control.
Climate change mitigation scenarios are possible futures in which global warming is reduced by deliberate actions, such as a comprehensive switch to energy sources other than fossil fuels. These are actions that minimize emissions so atmospheric greenhouse gas concentrations are stabilized at levels that restrict the adverse consequences of ...