Time Is Running Out To Control Climate Change, U.N. Report Says
12 October, 2018, 00:34 | Author: Bertha Harmon
Earth is on track to face devastating consequences of climate change - extreme drought, food shortages and deadly flooding - unless there's an "unprecedented" effort made to reduce greenhouse gas emissions by 2030, a new United Nationsreport warns.
A new United Nations report warns of the unprecedented changes needed by society to keep global temperatures from rising more than 1.5C above pre-industrial levels.
"E$3 ven with erroneous attribution of extreme weather/climate events and projections using climate models that are running too hot and not fit for goal of projecting 21st century climate change, the IPCC still has not made a strong case for this massive investment to prevent 1.5C warming", she said on her Climate Etc. blog.
Warming of 2C above pre-industrial levels had widely been thought of as the threshold beyond which unsafe climate change will occur, but vulnerable countries such as low-lying island states warn rises above 1.5C will threaten their survival.
If temperatures rise even.5°C higher than the crucial point, almost all coral reefs would be wiped out, and nearly 10 million people would be affected due to sea levels rising.1 meters. Because I can give you reports that are fabulous and I can give you reports that aren't so good.
Green Car Reports respectfully reminds its readers that the scientific validity of climate change is not a topic for debate in our comments.
The report suggests that coral reefs would decline by 70-90 percent with global warming of 1.5°C, whereas virtually all ( 99 percent) would be lost with 2ºC.
If emissions can't be cut to a sufficient degree, researchers will need to devise effective methods of removing Carbon dioxide from the air, such as devoting land to growing trees and biofuel crops, Erik Solheim, executive director of the UN Environment Program, tells The Washington Post.
"Every extra bit of warming matters, especially since warming of 1.5 degrees C or higher increases the risk associated with long-lasting or irreversible changes, such as the loss of some ecosystems", said Hans-Otto Pörtner, Co-Chair of IPCC Working Group II.
In order to reach this, society will need to make "unprecedented" changes including closing hundreds of coal-fired power stations and rapidly switching to renewable energy.
"The IPCC report is very clear that government commitments are far from sufficient and will not achieve the Paris Agreement's warming limit - there needs to be a redoubled effort to increase the level of ambition for 2030", says Rueanna Haynes, SIDS climate advisor.
"We must have laser focus on delivering on 1.5 degrees and this report provides a pathway to get there". Limiting warming to 1.5°C by making green changes in energy consumption, land and water use and transportation can help mitigate the potential damage to an extent. The likelihood of an Arctic Ocean free of sea ice in summer would be once per century, instead of at least once per decade.
Fellow author Valerie Masson-Delmotte said: "The report shows that we are at a crossroads".
But the report said the efficacy of measures, such as planting forests, bioenergy use or capturing and storing CO2, were unproven at a large scale and carried some risks.
Global Warming of 1.5 °C is the first in a series of Special Reports to be produced in the IPCC's Sixth Assessment Cycle.
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