Measures of Earthshine suggest that about 30% of the Sunlight that the Earth receives is reflected back to space.
Category: air pollution
air pollution
Plumbing the origins of lead in nature.
The history of lead pollution is the opening chapter in the history of human impacts on global biogeochemistry.
Nitrous Oxide—No laughing matter
If we could do even something small about the rise of N2O in Earth’s atmosphere, it could have a big contribution to solving the problem of global climate change.
William Schlesinger
air pollution, conservation, environmental health, environmental policy, faculty, pesticides, toxicology
air pollution, conservation, environmental health, environmental policy, faculty, pesticides, toxicology
Success Stories
Seeing Bald Eagles along the coast of Maine this summer makes me think of the good things that have come from environmental science
William Schlesinger
air pollution, environmental health, faculty, lakes and streams, marine studies, toxicology, water pollution
air pollution, environmental health, faculty, lakes and streams, marine studies, toxicology, water pollution
Reading the Mad Hatter’s Diary
When the EPA suggests regulating the emissions of mercury from power plants, the immediate question is how much of the mercury found in downwind environments is from the powerplants and how much is natural.
Raindrops keep fallin’ on my head
These observations of rainfall chemistry should reinforce the notion that the atmosphere is not a global commons where stuff can be deposed willy-nilly.
Methane: the other greenhouse gas
Methane is one of several “greenhouse” gases that we must manage if we are to reduce the probability of harmful disruptions to Earth’s climate.
Element Number 7
Fixed nitrogen helps in the growth of crops and forests, but when it escapes from the point of application, it causes a number of environmental problems that should concern us all. For policy makers, nitrogen may be the new carbon.
Let’s take the e out of fraecking!
I know of few environmental topics that engender more emotion than proposals to extract natural gas using hydraulic fracturing methods (i.e., fracking) to open up the pores in bedrock.