KeithShotbolt

world climate zones water from underground aquifer dams and reservoirs crop irrigation long term global temperatures polar sea ice extent glaciers uk metoffice nasa global atmospheric circulation observations of nature carbon dioxide water vapour the water cycle greenhouse effect climate change the internet industrial revolution last ice age evolution of life oxygen added to atmosphere creation of planet earth size of universe age of universe notable events since big bang homo sapiens hominina monkeys mammals reptiles amphibians fish bacteria first life