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We know that climate change is making these storms stronger. The storms feed off of warm ocean waters, and those waters are much warmer now because of climate change. I have written about the science in more detail here and here. But basically, michael strengthened because it passed over really warm waters. Waters that were hotter because of human-caused warming.

Half a degree more may sound small, but the number is an average of temperatures around the globe, meaning some places will become significantly hotter. The arctic, for example, is likely to be several degrees warmer, increasing the amount of ice that will melt and how high sea levels will rise.

As well, around the mediterranean, freshwater availability will drop almost twice as much at 2 C compared to 1.5 C warming — down 17 per cent versus nine per cent, according to the report.

Fourth, what the hell happened to the republican party? The GOP formerly thought of itself as the party of intellectuals. Georgia state university unofficial transcript how did you become a party where denying science is a litmus test? Where are the republicans who actually understand climate change and care about it? If you can find one, tell me. Maybe ill even write about them on this site.

The report also shows that extreme heat would be much more common, with 37 per cent of the world population exposed to extreme heat at 2 C rather than 14 per cent at 1.5 C, with the tropics experiencing the biggest increase in “highly unusual” hot days.

Even worse, if we remain at our current levels of emissions, we are on a path to warming 4 C above pre-industrial levels by 2100, which if reached would trigger a chain of cataclysmic changes that include extreme heatwaves, declining global food stocks, substantial species extinctions and sea-level rising that would affect hundreds of millions of people, according to the report.

We have the technology and knowledge to develop and place into practice renewable energy sources, reduce carbon emissions, and move our energy needs away from carbon fuels. We owe it to the world to participate in the paris agreement and the kyoto protocol. As the leading industrial nation we must lead the effort.

And while these events may seem disconnected from canada’s north, the truth is, it’s the arctic that is helping to fuel them. Georgia state university location UN report on global warming carries life-or-death warning florida voters could put an end to this nonsense. In the current race for state governor to succeed scott, republican candidate ron desantis is ignoring science. He recently claimed that climate change is not an issue for states to mitigate. Say what?

As more and more carbon dioxide is pumped into the atmosphere, it warms the planet. And nowhere are the effects more dramatic than in the arctic. It isnt that the local media hasnt tried. Major newspapers have called upon rick scott to take action on climate change. But to little avail. Maybe its because rick scott invests in companies that oppose climate change regulations?

The problem with that is, the ice and snow up there reflects about 80 per cent of the sun’s radiation. But that warmth causes it to melt, exposing dark water that only reflects 20 per cent. So the cycle only intensifies: less ice and snow causes more warming; more warming causes less ice and snow.

When you have disproportionate warming in the arctic region going forward, the manifestation of that phenomenon at a global scale is going to be felt effectively all over the planet.- blair feltmate , university of waterloo rick scott has been condemned by people in florida for his backward stance. North georgia college and state university email it is climate denial like his that has contributed to the suffering of residents in the state.

According to the U.S. National snow and ice data center, winter ice cover in the arctic has decreased by roughly three per cent per decade since 1979. In 2012, there was a record low for minimum ice cover in september, 3.41 million square kilometres — 44 per cent less than the 1981–2010 average.

The warmer temperatures in the region also produce thinner ice, which contributes to the feedback loop in its own way. Rick scott isnt the only politician from the state of florida to reject science and diminish climate change. Senator marco rubio has as well.

"So any abnormal wind that comes along can shove it along to one side and move it around much faster," she said. "And that exposes a lot more open water to the atmosphere, so we get a lot more heat transferred from the ocean to the atmosphere."

A third contributing factor to the feedback system is the release of methane from the melting permafrost. Tuition for georgia state university methane gas traps more heat than carbon dioxide. More warming causes more methane in the atmosphere; more methane in the atmosphere causes more warming.

The recent report from the intergovernmental panel on climate change found warming in the arctic is happening two to three times faster than anywhere else on earth. And the consequences of this warming will be felt across the globe — because what happens in the arctic doesn’t stay in the arctic.

Take, for example, hurricane florence that almost came to a standstill over the carolinas last month. Georgia state university lofts address because the jet stream was so far north, the hurricane was cut off and prevented from moving northeastward on a more typical path. It was similar to what occurred with hurricane harvey in 2017 over texas.

"We’re talking about an integrated system," feltmate said. "When you have disproportionate warming in the arctic region going forward, the manifestation of that phenomenon at a global scale is going to be felt effectively all over the planet."

However, as the IPCC report makes clear, there is a significant difference between a planet that has warmed by 1.5 C above the pre-industrial average and one that has warmed by 2 C. For one, an ice-free arctic is forecast to occur one summer per century at 1.5 C warmer. At 2 C, that jumps significantly, to one summer per decade.

Nicole has an avid interest in all things science. As an amateur astronomer, nicole can be found looking up at the night sky appreciating the marvels of our universe. She is the editor of the journal of the royal astronomical society of canada and the author of several books.

To encourage thoughtful and respectful conversations, first and last names will appear with each submission to CBC/radio-canada’s online communities (except in children and youth-oriented communities). Pseudonyms will no longer be permitted.