Ashley McArthur

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Clouds and Water Vapor – Part One

In the CO2 series we looked at the effect of CO2 without climate feedbacks. The “answer” to the doubling of CO2 was a “radiative forcing” of 3.7W/m^2 …

Conservative groups spend up to $1bn a year to fight action on climate change

Conservative groups may have spent up to $1bn a year on the effort to deny science and oppose action on climate change, according to the first extensive study into the anatomy of the anti-climate effort.<p>The anti-climate effort has been largely underwritten by conservative billionaires, often …

Climate change by the numbers: The worst is yet to come

CO2 levels went through the roof in 2013, as the world tried — and mostly failed — to slow down warming<p>"We will respond to the threat of climate change, knowing that the failure to do so would betray our children and future generations," President Obama announced back in January at his second-term …

It won't be long before the victims of climate change make the west pay

The scientific case is strengthening: developed countries are to blame for global warming – and there will soon be a legal reckoning<p>Would you enjoy the cosiness and warmth of Christmas with your children or grandchildren just that little bit less if you knew that other people's children were dying …

The 2014 Clean Energy Resolution

<b>Deep down inside, do people want what's best for themselves, or what's best for everyone?</b><p>This question lies at the heart of my current escapist-reading-before-bed novel <i>Next History</i>: the Girl Who Hacked Tomorrow.<p>The novel's 20-year-old heroine stakes her salvation (and that of humanity as a whole) …

'Threatening climate change messages are not effective'

It's a common refrain: If people only knew more about the science, there wouldn't be so much polarization on the issue of climate change. But Dan M. Kahan's groundbreaking work has gone a long way to prove that idea wrong. In fact, he's found, it's not the lack of scientific understanding that has …

Has global warming hit a plateau?

<b>Why has the warming trend slowed?</b><br>Climatologists aren't sure. What they do know is that the average air temperatures at the earth's surface have risen …

Climate Change Worse Than We Thought, Likely To Be 'Catastrophic Rather Than Simply Dangerous'

Climate change may be far worse than scientists thought, causing global temperatures to rise by at least 4 degrees Celsius by 2100, or about 7.2 degrees Fahrenheit, according to a new study.<p>The study, published in the journal Nature, takes a fresh look at clouds' effect on the planet, according to …

Global warming will intensify drought, says new study

When scientists think about climate change, we often focus on long term trends and multi-year averages of various climate measures such as temperature, ocean heat, sea level, ocean acidity, and ice loss. But, what matters most in our day-to-day lives is extreme weather. If human-caused climate …