Eric Walker placed Climate science under Science, engineering, mathematics and the humanities
Eric Walker added Climate science to Climate
Eric Walker added Climate change and Forests to Climate, and added Climate to Weather
Eric Walker added a number of topics and a number of links to Climate change, and added Climate change to Climate and The environment, the Earth's ecosystem, ecology and environmentalism
Eric Walker added Amazon rainforest and a number of links to Forests, and added Forests to Climate and Trees