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Ice reveals cold, hard climate facts
Nov. 19: For Green Week, NBC Nightly News reports from Greenland where an international team of scientists are drilling deep into the past to learn what our future may hold.   Full story
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  Environment  
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  Watch the opening to ‘100 Heartbeats’
Quiz: Test your wildlife knowledge
Hacked emails add fuel to climate dispute
Predatory fish nearing Great Lakes ecosystem
Toxic drinking water finally tied to old mine
  Tech & Science  
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Hacked emails add fuel to climate dispute
Hackers break into the electronic files of one of the world's foremost climate research centers and post an array of e-mails which causes a stir among skeptics who say discussions show a conspiracy.
Proton beams circulate in Big Bang machine
Atlantis astronauts take 2nd spacewalk
Just because it’s on Twitter, it (still) isn’t true
Cosmic Log: Chair floats to final frontier
Interactive
Vital Signs of a Warming World
The science, impacts and scenarios of climate shifts
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Slideshows
Image: Belchatow Power Station
Reuters
Climate conditions
View signals of temperature shifts across the globe, as well as some approaches to dealing with change.
Interactives
Vital Signs of a Warming World
The science, impacts and scenarios of climate shifts
Carbon trade game
Learn how "cap and trade" works and play along in a simulated market.
Rising seas
What future sea levels could mean for some of America's favorite places
The greenhouse effect
How the Earth maintains a temperature conducive to life
Cooling the planet
Check out five far-out ideas on how to engineer a cooler Earth.
Eyeing the ice
The National Science Foundation's Tom Wagner on why climate experts study Antarctica.
Melting mountains
Data shows five areas of concern
  Weather Channel