NASA remembers Challenger 25 years later

Challenger was destroyed 73 seconds after launch, when a failed O-ring in one of the shuttle's solid rocket booster joints failed, probably due to the unusually cold weather, and hot gasses from the shuttle's main fuel tank ignited at 48,000ft.

Ariz. Pulls Support for EPA's Greenhouse Gas Endangerment Finding - NYTimes.com

The state of Arizona, which had supported the Obama administration's decision that greenhouse gases are a threat to human health and the environment, has dropped out of the massive court battle over U.S. EPA's new climate regulations, court records show.

Ban Ki-moon: World's economic model is 'environmental suicide' | Environment | guardian.co.uk

UN secretary general tells Davos panel that an economic revolution is needed to save the planet as he shifts his focus from climate change to sustainability

CapitalClimate: Hartford Monthly Snowfall Update: Record Blown Away

As of 7 am today, the 12" of new snow at Bradley (Windsor Locks) Airport pushed the monthly total for January to 56.9", blowing away the previous all-time monthly record