The importance of rebutting global warming misinformation

Scientific skepticism is good. Scientists must always challenge themselves to enhance their understanding. Yet this isn't what goes on with global warming denial. Skeptics vigorously criticise any evidence that supports man-made climate change but embrace any argument, op-ed, blog or study that purports to refute climate change. This site gets skeptical about climate change skepticism. Do their arguments have scientific basis? Exactly what does the peer reviewed scientific literature say?

Global warming communication

Emissions of CO2 and methane from wetlands and thawing permafrost because the climate warms could cut the “carbon budget” for your Paris Agreement temperature limits by around 5 years, a brand new study says.

These natural processes are “positive feedbacks” - so named simply because they release more greenhouse gases as global temperatures rise, thus reinforcing the warming. They may have previously not been represented in carbon budget estimates because they are not contained in most climate models, they say.

The findings claim that human-caused emissions will have to be cut by an extra 20% to be able to satisfy the Paris Agreement’s 1.5C or 2C limits, they estimate.

‘Engines for turning CO2 into methane’

During the last year approximately, we have seen a flurry of brand new carbon budget studies - using slightly different methods to estimate just how much CO2 we are able to emit yet still hold global temperature rise to a maximum of 1.5C or 2C above pre-industrial levels.

(Carbon Brief summarised all of the 1.5C budgets inside a recent analysis piece.)

A number of these studies use global climate models to create their estimates. However, there are several processes which impact the climate which are not yet integrated into these models.

The brand new study, published by nature Geoscience, aims to fill that gap. It concentrates on two processes around the land surface: thawing permafrost and natural wetlands.

They are both positive feedbacks for your climate because, because they react to rising temperatures, they result in the discharge of more greenhouse gases in to the atmosphere.

Permafrost is definitely the name provided to soil which has been frozen for around a couple of years. It really is predominantly located in the northern hemisphere - stretching across northern reaches of Russia, Canada and Alaska.

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