Climate 411

Part 3 of 5: Shifts in Lifecycle Timing

The second installment of the IPCC’s 4th Assessment on Climate Change, titled “Impacts, Adaptation and Vulnerability”, was released on April 6, 2007. In recognition of this report, I’m doing a weekly series called “Climate Dangers You May Not Know About“.

1. More Acidic Oceans
2. Drinking Water and Disease
3. Shifts in Lifecycle Timing
4. Drought and Violence
5. Melting of the North Pole


Spring is finally here, and lifecycles are on display all around us — flowers are blooming, birds are migrating, eggs are hatching. The signs of spring may seem simple, but actually they’re intricately choreographed. Flowers bloom when insects are around to pollinate them; migrating birds and newborns normally arrive when there is food for them to eat. Life’s fragile choreography is based on signals from the environment, such as light or warmth. As global temperatures rise, what happens to all those cues?

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