Controversies in Science/Are humans causing global warming/A Critique of Biological consequences of global warming: is the signal already apparent

(Review Paper) Cited in

Global Warming is Already Happening
Data that was researched has indicated that global warming was already happening in the past and humans are not solely the cause. Irregular climate from the past has already affected the physiology and distribution of some species. .

Methods
Scientists have conducted studies where intensive monitoring has occurred over an extended period. The patterns from many plants, marine animals, and aphids were taken into affect. .