Animal migration – Avalanche – Carbon cycle – Climate change – Climate change and agriculture – Climate model – Climate oscillation – Clock of the Long Now – Ecology – El Niño/La Niña – Endometrium – Environmental geography – Global cooling – Global warming – Historical temperature record – Ice age – Transhumance – Milankovitch cycles – Monsoon – Pleistocene – Season – Sunspot – Tide – Timeline of meteorology – 1500-year climate cycle