Climate change and human survival.
TLDR
The IPCC report shows the need for “radical and transformative change” in the face of climate change.Abstract:
The IPCC report shows the need for “radical and transformative change”
Next week the Intergovernmental Panel on Climate Change (IPCC) will publish its report on the impacts of global warming. Building on its recent update of the physical science of global warming,1 the IPCC’s new report should leave the world in no doubt about the scale and immediacy of the threat to human survival, health, and wellbeing.
The IPCC has already concluded that it is “virtually certain that human influence has warmed the global climate system” and that it is “extremely likely that more than half of the observed increase in global average surface temperature from 1951 to 2010” is anthropogenic.1 Its new report outlines the future threats of further global warming: increased scarcity of food and fresh water; extreme weather events; rise in sea level; loss of biodiversity; areas becoming uninhabitable; and mass human migration, conflict and violence. Leaked drafts talk of hundreds of millions displaced in a little over 80 years. This month, the American Association for the Advancement of Science (AAAS) added its voice: “the well being of people of all nations [is] at risk.”2 Such comments reaffirm the conclusions of …read more
Climate change and human survival
The editorial by McCoy and colleagues (BMJ 2014;348:g2351,
doi:10.1136/bmj.g2351) stated that “The release of just another
275 gigatonnes of carbon dioxide would probably commit us
to a temperature rise of at least 2°C—an amount that could be
emitted in less than eight years.” Instead the text should have
read, “The release of just another 275 gigatonnes of carbon
would probably commit us to a temperature rise of at least
2°C—an amount that could be emitted in less than 25 years.”
Cite this as: BMJ 2014;348:g2510
© BMJ Publishing Group Ltd 2014
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BMJ 2014;348:g2510 doi: 10.1136/bmj.g2510 (Published 2 April 2014) Page 1 of 1
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References
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Journal ArticleDOI
Greenhouse-gas emission targets for limiting global warming to 2 °C
Malte Meinshausen,Nicolai Meinshausen,William Hare,Sarah C. B. Raper,Katja Frieler,Reto Knutti,David J. Frame,Myles R. Allen +7 more
TL;DR: A comprehensive probabilistic analysis aimed at quantifying GHG emission budgets for the 2000–50 period that would limit warming throughout the twenty-first century to below 2 °C, based on a combination of published distributions of climate system properties and observational constraints is provided.
Journal ArticleDOI
Beyond 'dangerous' climate change: emission scenarios for a new world.
TL;DR: A cumulative emissions framing is used, broken down to Annex 1 and non-Annex 1 nations, to understand the implications of rapid emission growth in nations such as China and India, for mitigation rates elsewhere and suggests little to no chance of maintaining the global mean surface temperature at or below 2°C.
World Bank Group President Jim Yong Kim remarks at Davos, press conference
TL;DR: Kim as discussed by the authors discussed on the future economies to invest in clean and healthy that will bring growth, jobs, and competitiveness and challenged the notion that responding to climate change is not affordable.
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