Is global warming adding to the Valley’s UV risks? – Daily Independent

Even with all the clouds covering the Valley at the end of July, the forecast UV index was still 8 out of 10. The UV index scale — the National Weather Service’s means of determining the level of danger from…

Fact check: Global warming caused by human activity, not solar winds or weakened magnetic field – USA TODAY

The claim: Global warming is occurring because of solar winds and changes in Earth’s magnetic field Solar winds consist of charged particles emitted by the sun. Earth’s magnetic field – generated by churning, molten iron in the planet’s core – prevents most of…

Wolf-Rayet stars are the most massive and brightest stars known

Wolf-Rayet stars make our sun look tiny. They can be hundreds of times more massive, millions of times brighter, and tens of thousands of degrees hotter.

The post Wolf-Rayet stars are the most massive and brightest stars known first appeared on EarthSky.

How Hot and Humid Singapore Is Trying to Cool Itself Down

SINGAPORE — The temperature had reached 86 degrees and was climbing. Humidity measured in at 75 percent. Sunshine glinted off the tall buildings. Fourteen volunteers, six climate researchers and a mobile biometeorological cart named “Smarty” prepared to set off for…

How not to solve the climate change problem

Most effective way to address the climate change problem is to decarbonize the economies of the world’s nations

In a paradox, cleaner air is now adding to global warming – Science

It’s one of the paradoxes of global warming. Burning coal or gasoline releases the greenhouse gases that drive climate change. But it also lofts pollution particles that reflect sunlight and cool the planet, offsetting a fraction of the warming. Now,…