Sentences with phrase «before human carbon dioxide»

Curry also notes there's evidence the Earth has been warming for the past 200 years — a period that began before human carbon dioxide emissions would have been a factor.

Not exact matches

The seven - day rainfall total from Harvey was as much as 40 percent higher than rainfall from a similar storm would have been decades ago, before human activity caused atmospheric carbon dioxide levels to spike, according to a study published yesterday in Geophysical Research Letters.
Human - caused climate change caused the storm to drop significantly more rain than storms would have before atmospheric carbon dioxide levels spiked from the consumption of fossil fuels, according to research published yesterday.
With human carbon dioxide production accounting for less than 3 % of the earth's total natural carbon dioxide production it is ludicrous to think any small reduction we might make would be perceptible — Remember going back to the old stone age before mankind had fire (when the climate was warmer than it is now) would result in a less than 3 % reduction in carbon dioxide production.
Like DiCaprio's short film Carbon, released in the weeks prior to the United Nations» Climate Summit 2014, Before the Flood is based on the highly debatable hypothesis that carbon dioxide (CO2) emissions from human activities are causing catastrophic climate change.
Some scientists have been skeptical of the Paris target for some time — simply because there's only a finite amount of carbon dioxide that humans can put in the air before the earth is committed to a 2 degree Celsius rise in temperature.
To gain a clearer understanding of how the El Niño Southern Oscillation (as the overall climate pattern is called) affects the climate as a whole, Aharon wants to see how the process worked in the time before humans were adding carbon dioxide and other greenhouse gases to the atmosphere and impacting the global climate.
Abbott's argument was the same one he used last week, when he suggested that because bushfires happened before humans raised carbon dioxide levels in the atmosphere by 40 %, we shouldn't think this could have anything to do with bushfires happening now.
It happened before humans dumped billions of tons of carbon dioxide into the atmosphere and will happen again.
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