SAN ANTONIO – Turn off your lights for one hour on Saturday and take part in one of the largest grassroots movements in the world. This year, Earth Hour will take place at 8:30 p.m. local time on ...
Each year, millions of people from over 190 countries and territories coordinate to turn off their lights for just one hour. The event is part of an annual tradition to raise awareness about climate ...
Could people turn Mars into another Earth? Here's what it would take to transform its barren landscape into a life-friendly world. Photo courtesy of NASA Curious Kids is a series for children of all ...
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