chlorophyll

1 Story

Upside to Drought: Gorgeous Fall Leaves

Less water leads to less chlorophyll and more colors

(Newser) - The lack of rain this year could elicit a dazzling side effect in the fall: exceptionally colorful leaves. That's because below-average rainfall in the Northeast may cause trees to shut down production of a chemical called chlorophyll earlier than usual. Without it, various pigments like carotenes and xanthophyll (yellow...

1 Story