Leafing Out

A thought provoking posting from the always fascinating champagnewhiskey blog that’s particularly timely as trees begin to soften with new spring buds.

champagnewhisky

There are few places in the world, if any, that aren’t touched by human activity, including places with no humans. And one of our chief human activities over the past couple of centuries has been the transfer of carbon from reservoirs deep within the planet out into the atmosphere.

We’ve been re-creating the environment during this industrial dream. Like a dream, we aren’t always conscious of our decisions and the impact they will have as we weave the story forward.

Several recent studies show that the phenology of leaves around the world, i.e. the annual cycle of vegetation changes, has dramatically altered since the mid-20th century.

Smoke & Mirrors (2010) Photo: Ellie Davies Smoke & Mirrors (2010)
Photo: Ellie Davies

It might not seem particularly important if the first vegetation leafs out a week earlier every year, or drops a week later in autumn.

But a study published in Nature Climate Change measured severe phenological changes…

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