How do we know what the climate was like hundreds of millions of years ago?

Yesterday I posted an article saying that the Earth has been warmer than today for hundreds of millions of years. A couple of readers asked how scientists know what the temperature would have been back then, and a reader provided this wonderful explanation. I love her final two sentences.

Read moreHow do we know what the climate was like hundreds of millions of years ago?

Earliest snow in 30 years in Sochi, Russia

Snow fell in one of the Sochi resorts at an altitude of 2050 m (6726 ft) above sea level.

According to the local television channel sochi24.tv, the snowfall began on Saturday morning, and by the evening the snow had not melted.

Such early snow has not been observed in Sochi for 30 years.

http://vestnikkavkaza.net/news/Sochi-covered-with-snow.html

Thanks to Laurel for this link