Oldest Arctic Sea Ice is Disappearing
A new study by NASA scientist Joey Comiso has found that the oldest and thickest Arctic sea ice is disappearing at a faster rate than the younger and thinner ice at the edges of the ice cap.
Ocean Acidification Rate May Be Unprecedented
The world’s oceans may be turning acidic faster today from human carbon emissions than they did during four major extinctions in the last 300 million years, when natural pulses of carbon sent global temperatures soaring…