Why is the Arctic ice melting so fast over the last decade? Why have the northeast and northwest passages been open to regular shipping for the first time in recorded history? Why is the Greenland ice shelf melting faster than we have ever seen before? Why is virtually every glacier in the world melting faster and faster? Why is the ocean level rising? Why is the ocean getting more acidic? Why is the tundra melting and releasing methane? Why are tropical diseases spreading way beyond their "normal" ranges?
Climate Change: Evidence
Global Warming Frequently Asked Questions
Observed Temperature & Greenhouse Gas Trends | Center for Climate and Energy Solutions
