EarthTalk - How did corn become such a dominant crop in the U.S.?
Corn is the most dominant agriculture product in the United States - and possibly the world.
environment
EarthTalk – What is being done to make internet usage more energy-efficient?
Internet data centers are becoming some of the largest energy users in the world. What is being done?
EarthTalk – What are the effects of the melting permafrost?
What are the effects of melting permafrost on the artic and beyond?
EarthTalk – Does the COVID-19 coronavirus have an environmental benefit?
COVID-19 has had some some impact on carbon emissions, but will it last?
EarthTalk – Why doesn’t the U.S. burn trash like Sweden?
Sweden burns most of its trash to produce energy. Why doesn't the U.S. do the same?
EarthTalk – Of the remaining Democrat candidates, who is the greenest?
The Democrat field seeking the United States presidency is rapidly shrinking. Among those left, who is the greenest?
EarthTalk – Is switching out meat for edible insects viable?
Dear EarthTalk:
Is switching out meat for edible bugs to satisfy our protein needs a viable way to ratchet down our carbon emissions and overall environmental impact?
J. Cruz., Gary, IN
A military perspective on climate change could bridge the gap between believers and doubters
US military leaders have to plan for operations all over the world, so they can't afford to ignore climate change or debate its causes.
Animals large and small once covered North America's prairies – and in some places, they could again
North America's prairies once were home to millions of wild animals. Today, most of that land is farmed or developed, but some grasslands have never been plowed and could be rewilded.
EarthTalk – How do fungi help clean up contaminated soil?
Enzymes used by fungi can break down a wide variety of man-made compounds - a fact exploited to clean up contaminated soils.