Last reply by Dale : 38. They point to the "decline" in tree-ring proxy data as evidence that Michael Mann is covering up cooling temperatures, but criticize proxies as unreliable when they show past temperatures cooler than today's (and when temps... more»

Last reply by Dale : A study for the journal Science randomly sampled 928 published peer-reviewed scientific papers that used the words "climate change". It found that 100 per cent – every single one – agreed it is being fuelled by human... more»

Last reply by Anonymous : Temperatures in the Arctic are rising at almost twice the rate of that of the rest of the world. According to the multinational Arctic Climate Impact Assessment, at least half of the Arctic's summer sea ice will melt by the... more»

Last reply by Mari : Junk mail is more than just an annoyance; it's an environmental crisis. Every year, junk mail production destroys 100 million trees, creating as much global warming pollution as 3.7 million cars.... more»