There is evidence for both local and regional causes (e.g. drought stress) as well as global scale causes (
e.g. global dimming).
Not exact matches
There have been articles as far back as the 70s concerning
global dimming but it's only very recently, apparently, that all of the probable causes (
e.g. the microscopic particles causing smaller water droplets in clouds, enhancing the mirror effect, as well as contrails) have been understood.
There have been articles as far back as the 70s concerning
global dimming but it's only very recently, apparently, that all of the probable causes (
e.g. the microscopic particles causing smaller water droplets in clouds, enhancing the mirror effect, as well as contrails) have been understood.
Probably because of both mid-century «
global dimming» from aerosols, and subsequent «
global brightening» from reduced aerosol pollution, a different interval —
e.g., 1976 to the present — would have required a very different dividing up of attributions.