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Climate change: Why 1.5 is the new magic number

10 Octobre 2018

"Scientists might want to write in capital letters, 'ACT NOW IDIOTS", but they need to say that with facts and numbers, ' said Kaisa Kosonen, from Greenpeace, who observed the negotiations.

Temperatures are likely to rise by 1.5 degrees Celsius between 2030 and 2052 if global warming continues at its current pace and if the world fails to take rapid and unprecedented measures to stem the increase, a United Nations report said on Monday.

Is It A Big Deal? The report was authored and edited by dozens of climate scientists from around the world.

The goal posts for the Paris Agreement have moved.

A recent report, before the IPCC publication, by Oxfam and the World Resources Institute found that reducing SLCPs warranted a much greater focus than it has received in climate change efforts.

"The next few years are probably the most important in our history", she added. Annual carbon dioxide pollution levels that are still rising now would have to drop by about half by 2030 and then be near zero by 2050.

The targets rely on increased use of renewable energy, to the point that they product 70 to 85% of electricity supplies by 2050.

"Limiting warming to 1.5ºC is possible within the laws of chemistry and physics but doing so would require unprecedented changes."
Losing the ice would tremendously increase the Arctic's warming, which is already at least twice the global average rate.

This report says that the world doesn't have to come up with some magic machines to curb climate change - we've already got all the tech we need.

To limit warming to the lower temperature goal, the world needs "rapid and far-reaching" changes in energy systems, land use, city and industrial design, transportation and building use, the report said. Global sea levels rose 17cm in the 20th century.

An increase of 1.5C will still carry climate-related risks for nature and mankind, but at a lower level than a rise of 2C, the report summary said. How much more urgent can it get?" and "Science pronounces its verdict: "World to be doomed at 2°C, less unsafe at 1.5°C" and "A major new climate report slams the door on wishful thinking". Anyone living in New York City can testify to the extreme summer heat and freakish lack of fall weather despite it being nearly two weeks into October, but that's minor in comparison to the real catastrophes-hurricanes, massive flooding, wildfires, and more. It would also cut down on species loss and extinction and reduce the impact on various ecosystems.

The decisions we make today are critical in ensuring a safe and sustainable world for everyone, both now and in the future ...

What Has Been The Reaction So Far?

But Scheer said his party remains adamantly opposed to a carbon tax, which he does not think will actually reduce emissions, and instead revert back to the regulatory approach taken by the former Conservative government.

Morrison says, 'Let's not forget Australia accounts for just over 1% of global emissions.

Developing nations and least developed countries have been asking developed nations, particularly the USA, to take historical and moral responsibility for being one of the largest greenhouse gas emitters.

Gillian Robinson, a spokesperson for the BC LNG Alliance, which represents seven LNG proponents in B.C., argued that liquefied natural gas developed in B.C. has climate benefits when viewed from a global perspective. Climate change is moving faster than we are....

Such "carbon removal" might happen by developing better technology to take out carbon dioxide from the atmosphere - now an extremely expensive process - or by planting many more forests that could be harvested and burned for energy, with emissions pumped into underground storage. To prevent that, the world has to cut the amount of emissions released each year by 2030 so that they are no more than 55 per cent of what they were in 2010.

Climate change: Why 1.5 is the new magic number