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Articles by Andrea Thompson

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CO2 levels: Are we permanently above 400 PPM?

CO2 levels: Are we permanently above 400 PPM?

Concentrations in recent weeks have edged close to 410 ppm, thanks in part to a push from an exceptionally strong El Niño.

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What scientists fear most: Earth’s temperature spiral toward 2°C

What scientists fear most: Earth’s temperature spiral toward 2°C

The steady rise of Earth’s temperature as greenhouse gases accumulate in the atmosphere and trap more and more heat is sending the planet spiraling closer to the point where warming’s catastrophic consequences may be all but assured.

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March global temperatures jump 0.36°C over previous record

March global temperatures jump 0.36°C over previous record

The past 11 months have been the hottest such months in 135 years of record keeping.

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Arctic sea ice hits record low peak, again

Arctic sea ice hits record low peak, again

Capping off a season of sustained, mind-boggling warm weather and stunted sea ice growth, the annual Arctic sea ice maximum hit its lowest level ever recorded.

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February blows away global heat record

February blows away global heat record

February was the most anomalously warm month Earth has seen in 135 years of NASA record keeping.

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2015 shatters hottest year mark; 2016 hot on its heels?

2015 shatters hottest year mark; 2016 hot on its heels?

It’s official: 2015 was the hottest year on record, beating out 2014 by the widest margin in 136 years of record keeping.

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Incredible October warmth guarantees record hot 2015

Incredible October warmth guarantees record hot 2015

Yet another record-breaking month has raised the odds that this year will be the hottest one humanity has ever experienced.

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Sweltering September sets global records

Sweltering September sets global records

September 2015 was warmer than average by a bigger margin than any of the 1,629 months in records of National Oceanic and Atmospheric Administration

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2015 edges closer to warmest year on record after hottest July

2015 edges closer to warmest year on record after hottest July

If you’re a betting person, it would be close to a sure bet to go all-in on 2015 taking the title of warmest year on record.

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Record hot first half may herald warmest year yet

Record hot first half may herald warmest year yet

Yet another month has set a global temperature record, with June 2015 coming in as the warmest June on record going back to 1880.

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Pope Francis’ letter on climate change leaked early

Pope Francis’ letter on climate change leaked early

A copy of Pope Francis’s message exhorting humanity to be better stewards of the planet and to combat issues like climate change has been leaked.