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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.
Started in 2006, the American College & University Presidents' Climate Commitment (ACUPCC) was a “high-visibility effort” to address global warming (global climate disruption) by creating a network of colleges and universities that had committed to reduce their greenhouse gas emissions and accelerate the research and educational efforts of higher education to equip society to re-stabilize ...
Bill McKibben was born in Palo Alto, California. [1] [16] His family later moved to the Boston suburb of Lexington, Massachusetts, where he attended high school. [17]His father, who once, in 1971, had been arrested during a protest in support of Vietnam veterans against the war, wrote for Business Week, before becoming business editor at The Boston Globe, in 1980. [17]
Just half a degree rise of global warming will triple the size of the area of Earth that is considered to be too hot for humans.. The new area will be equivalent to the size of the U.S., according ...
This has led to increases in mean global temperature, or global warming. The likely range of human-induced surface-level air warming by 2010–2019 compared to levels in 1850–1900 is 0.8 °C to 1.3 °C, with a best estimate of 1.07 °C. This is close to the observed overall warming during that time of 0.9 °C to 1.2 °C.
The findings are presented in units of global warming potential per unit of electrical energy generated by that source. The scale uses the global warming potential unit, the carbon dioxide equivalent (CO 2 e), and the unit of electrical energy, the kilowatt hour (kWh). The goal of such assessments is to cover the full life of the source, from ...
The 1997 declaration also updated its citations of evidence that appeared to run contrary to the consensus on global warming. For example, the 1995 declaration cites "observations from earth satellites," where the 1997 declaration cites "observations from both weather satellites and balloon-borne radiosondes."
Rising sea levels is one of the flow-on effects of climate change, resulting from warming water and melting ice sheets. Measuring sea level rise is a complicated affair, however the IPCC have projected an increase in global mean sea level [35] of between 0.44m and 0.74m by 2100. [36]