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2000-2019: The Hottest Decade Measured

US Experts: Last Decade was Hottest Ever Recorded

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Hottest decade global warming
Last year was the second hottest ever due to global warming. Pixabay

The last 10 years were the hottest decade ever measured on Earth, last year was the second warmest ever and NASA says “you haven’t seen anything yet.”

The National Oceanic and Atmospheric Administration said Wednesday that the average global temperature in the 2010s was 14.7 degrees Celsius, with eight of the 10 hottest years ever recorded.

Parts of Africa, Asia, Australia, Europe and South America had record-high temperatures in 2019. Alaska’s average temperature was above freezing for the first time in recorded history.

Hottest decade global warming
People walk outside of the COP25 climate talks congress in Madrid, Spain. VOA

Many climate scientists who have seen the study said there was no other explanation for the record-breaking warming than human activity.

“This is going to be part of what we see every year until we stabilize greenhouse gases,” said Gavin Schmidt, head of NASA’s Goddard Institute for Space Studies. “We crossed over into more than 2 degrees Fahrenheit warming territory in 2015 and we are unlikely to go back. This shows that what’s happening is persistent, not a fluke due to some weather phenomenon.”

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Experts say natural causes of a warmer atmosphere, including more heat from the sun and climate variations, are not big enough to explain the long-term temperature rise.

For those who still question global warming, the scientists say all one has to do is look at melting ice sheets, more powerful storms, floods in some parts of the world and drought in others as clear evidence. (VOA)

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About 25% Tweets Regarding Climate Change are Produced by Bots, Reveals Study

The study could not identify the people responsible for setting up the bots that were trained to post climate denial messages on Twitter

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Twitter
The researchers found that only five per cent of tweets advocating action to protect the environment were produced by bots. Pixabay

A lot of messages denying the effects of global warming might actually have been written by bots as new research from Brown University in the US found that about 25 per cent of the tweets about climate change that they analysed were produced by automated accounts.

Bots are non-personal or automated accounts that post content to social media platforms.

While the findings of the study are yet to be published, The Guardian newspaper reported them after seeing the draft study.

The results suggest that online conversations about climate change are often distorted due to the activities of the bots.

According to a report in the BBC on Saturday, the research team at Brown University analysed 6.5 million tweets from around the time US President Donald Trump revealed his intention to remove the US from the Paris climate accord in 2017.

The analysis showed a quarter of tweets on climate change were likely posted by bots.

“These findings suggest a substantial impact of mechanized bots in amplifying denials messages about climate change, including support for Trump’s withdrawal from the Paris agreement,” stated the draft study, according to The Guardian.

twitter
A lot of messages denying the effects of global warming might actually have been written by bots as new research from Brown University in the US found that about 25 per cent of the tweets about climate change that they analysed were produced by automated accounts. Pixabay

The study could not identify the people responsible for setting up the bots that were trained to post climate denial messages on Twitter.

For the study, the researchers used a tool from Indiana University called Botometer, which uses an algorithm to assign a score to Twitter accounts based upon the likelihood they are automated.

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The researchers found that only five per cent of tweets advocating action to protect the environment were produced by bots. (IANS)