This small detail crop of an aerial photo byGary Braaschshows thousands of walruses engaged in one of the earliest known haul-outs ever. Worsening drought Ethan Miller/Getty Images Much of Nevada's Lake Mead has
U.S. crop losses due to drought and flooding have trippled since 1995. Onward we march into oblivion. Despite the horrors described thus far, what really scares Professor Ward is sea level rise. Ward believes that the volcano of mankind will sputter out before we reach the levels required ...
Disconnects speed change-out of electric motors.
Crop development was designed to make maximum use of solar radiation and periods with favorable temperatures. Optimizing planting date would increase maize yield potential because of appropriate growth periods for grain filling under relatively lower temperatures; increasing density would also increase yield...
(crop-raiding Asian elephants) or predators of livestock (the gray wolf). Finally, climate change is deemed a major cause of ecological upheaval and extinction. If forced to choose a number-one factor, the authors name toxic pollutants, but climate change “may be the most threatening problem...
Drylands cover 40% of the global terrestrial surface and provide important ecosystem services. While drylands as a whole are expected to increase in extent and aridity in coming decades, temperature and precipitation forecasts vary by latitude and geogra
About the only thing CO2 concentrations affect is the speed of plant growth. The main source of CO2 is from the oceans. The warmer the oceans the more CO2 boils off to support plant growth; while the colder the oceans (ice ages), the more they absorb CO2 out of the atmosphere because ...
This small detail crop of an aerial photo byGary Braaschshows thousands of walruses engaged in one of the earliest known haul-outs ever. Worsening drought Ethan Miller/Getty Images Much of Nevada's Lake Mead has dried up as a result of thehistoric droughtin the western United States. Here,...
This small detail crop of an aerial photo byGary Braaschshows thousands of walruses engaged in one of the earliest known haul-outs ever. Worsening drought Ethan Miller/Getty Images Much of Nevada's Lake Mead has dried up as a result of thehistoric droughtin the western United States. Here,...
This small detail crop of an aerial photo byGary Braaschshows thousands of walruses engaged in one of the earliest known haul-outs ever. Worsening drought Ethan Miller/Getty Images Much of Nevada's Lake Mead has dried up as a result of thehistoric droughtin the western United States. Here,...