Time Is Running Out To Control Climate Change, U.N. Report Says

Andrew Steer

Andrew Steer

However, by 2°C, it is nearly certainly game over for over 99 percent of the world's coral reefs.

Chinese scientist Panmao Zhai is a leader of the research. Previously, the threshold for serious damage was set at an increase of 3.6 degrees Fahrenheit, but that number has been edited as scientists have come to understand global warming.

"We must have laser focus on delivering on 1.5 degrees and this report provides a pathway to get there".

Professor Corinne Le Quere, from the University of East Anglia, said: "For the United Kingdom, this means a rapid switch to renewable energy and electric cars, insulating our homes, planting trees, where possible walking or cycling and eating well - more plants and less meat - and developing an industry to capture carbon and store it underground". While the United Nations panel says technically that's possible, it saw little chance of the needed adjustments happening.

In the wake of two of B.C.'s worst wildfire seasons, Donner asked people to "imagine what it will be like when B.C.'s two or three degrees even warmer than that, and fires are triggered more easily or spread more easily as a result". At 2 degrees, that will be more like once per decade.

A special report released by the UN Intergovernmental Panel on Climate Change (IPCC) on Sunday night said "rapid and far-reaching" changes were needed to keep the global temperature rise below 1.5 degrees Celsius from pre-industrial times. The 1.5 was at the urging of vulnerable countries that called 2 degrees a death sentence.

The IPCC report makes clear for the first time that limiting warming to 1.5 degrees requires cutting short-lived super climate pollutions-black carbon, methane, and hydrofluorocarbons-along with carbon dioxide, as well as learning how to pull carbon dioxide out of the atmosphere at scale. While nascent and not conclusive in its findings-two of the reasons you won't find it referenced in the IPCC report-the study warned that humanity may be just 1°C away from creating a series of dynamic feedback loops that could push the world into a climate scenario not seen since the dawn of the Helocene Period, almost 12,000 years ago.

"Limiting warming to 1.5 degrees Celsius is possible within the laws of chemistry and physics but doing so would require unprecedented changes", said Jim Skea, another co-chair at the IPCC and an expert in sustainable energy at the Imperial College of London.

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'It was given to me and I want to look at who drew it, which group drew it, ' Trump told reporters at the White House on Tuesday, as he left for an Iowa campaign rally. He likened the report to an academic exercise wondering what would happen if a frog had wings.

Yet report authors said they remain optimistic.

"It's now their responsibility ... to decide whether they can act on it".

If nations do not mount a strenuous response against climate change, average global temperatures, which have already crossed 1°C, are likely to cross the 1.5°C mark around 2040. 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 use of cars in Australia is responsible for about 50 per cent of transport emissions, which itself represents the country's third largest source of greenhouse gas emissions at 18 per cent.

Another SLCP is methane, produced when vegetation rots and from animals, and in the form of natural gas from fossil fuel exploration. And that would have the side benefit of avoiding more than 100 million premature deaths through this century, the report said.

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.

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