Climate is what you expect, weather is what your get
Mark Twain
Climate deniers claim the annual temperature anomaly shows little change in atmospheric temperature. They fail to appreciate that 99% of absorbed heat goes into the ocean and melting of ice. Arctic ice melting and glacial retreat provide much clearer evidence of climate warming.

El nino, Glacier database, Ozone maps

Sea level rise @ wikipedia, @ National Geographic

Retreat of glaciers @ wikipedia, Earth's albedo

EPA on climate change, Citizens' Climate Lobby - Lincoln

Interview with James Lovelock (Gaia hypothesis)

Understanding and Assessing Climate Change - UNL Booklet

Rapid warming of Lake Superior, Skeptical Science

Mohamed Nasheed @ wikipedia, Maldives

Ocean forum, Keeling curve, Carbon emission by state

Heuerman lectures, Alex Epstein (climate denier)

Recent greenhouse gas concentrations

Global carbon cycle, CO2 reservoirs

Keystone XL, Cal Thomas, Local climate denier