Sunday, September 10, 2023

The Southern Hemisphere, where it’s winter, has been really hot too

Specifically, as warm seasons get longer and cool seasons get shorter, plants can germinate earlier and grow longer throughout the year. This is a boon for some species, but it can create a misalignment for plants that need pollinators like bees if they blossom too early. It also leads to longer and more intense pollen seasons, creating misery for allergy sufferers. Warm winters can also change the timing of when plants bear fruit, which can affect the animals that depend on them for food. 

Cold temperatures also keep dangerous insects in check, and the higher temperatures this year have allowed for more mosquito-borne diseases to spread in cities like Buenos Aires. "We had a dengue situation out of the season because dengue is more of a summertime problem here," Rusticucci said. 

Warmer, drier winters also mean that there is less water recharging rivers and groundwater supplies, and thus less water available for agriculture the following season...

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