Dan Charles

Dan Charles appears in the following:

Lithium-Ion Batteries Help Power Civilizations, But How Can They Be Recycled?

Wednesday, November 06, 2019

Researchers are worried that the lithium ion batteries powering our phones, and soon our cars, will turn into a big waste problem. They're trying to figure out how to recycle them.


Controversial Pesticides Are Suspected Of Starving Fish

Saturday, November 02, 2019

New evidence from Japan's Lake Shinji suggests that the widely used family of pesticides called neonicotinoids, already controversial for harming pollinators, could pose risks to fish as well.


From Culinary Dud To Stud: How Dutch Plant Breeders Built Our Brussels Sprouts Boom

Wednesday, October 30, 2019

Brussels sprouts used to be scorned. Now they're trendy. And one reason for their renaissance sits tucked away in a basement storage room in the Netherlands.


Most U.S. Dairy Cows Are Descended From Just 2 Bulls. That's Not Good

Thursday, October 17, 2019

The drive to make more milk has had an unsavory side effect: Cows have become more genetically similar and less fertile. Scientists are trying to recover valuable genetic variation that was lost.


As The Climate Warms, Companies Scramble To Calculate The Risk To Their Profits

Wednesday, October 16, 2019

Companies are trying to figure out the risks to their profits from a warming planet. Some of them are turning to high-tech tools of climate science.


Pompeo Calls Ukraine Inquiry 'A Silly Gotcha Game' But Says He'll Be 'Responsive'

Saturday, October 05, 2019

Congressional investigators are demanding documents from the White House, Vice President Pence and the State Department. So far, they've had little success.


How Penn State Is Cutting Greenhouse Emissions In Half — And Saving Money

Friday, October 04, 2019

The university, which is as big as a city, has slashed its carbon emissions since 2004. That effort is now paying for itself in lower energy costs. Could actual cities do the same?


Irrigation For Farming Could Leave Many Of The World's Streams And Rivers Dry

Wednesday, October 02, 2019

A new study shows many of the world's streams and rivers could dry up because people are draining underground aquifers that sustain streams through dry periods. Climate change won't help matters.


USDA Offers Pork Companies A New Inspection Plan, Despite Opposition

Tuesday, September 17, 2019

Under new federal rules, pork companies can hire workers to do some tasks currently reserved for federal inspectors in hog slaughterhouses. Critics say it's a move toward privatization.


Vineyards Facing An Insect Invasion May Turn To Aliens For Help

Monday, September 16, 2019

A stowaway from China, the spotted lanternfly, is eating its way across Pennsylvania, killing trees and grapevines. Scientists are considering importing the bug's natural enemies from back home.


Meet The Man Who Guards America's Ketchup

Monday, September 02, 2019

Deep inside the company that dominates the business of ketchup-making, there's a man who makes sure that every squeeze of this all-American condiment comes out just right. He's the Ketchup Master.


Devastating Banana Fungus Arrives In Colombia, Threatening The Fruit's Future

Friday, August 16, 2019

A fungus that has destroyed banana plantations in Asia is now in Latin America. The disease moves slowly, but there's no cure, and it could mean calamity for the continent's banana industry.


Swine Fever Is Killing Vast Numbers Of Pigs In China

Thursday, August 15, 2019

The number of pigs in China is falling rapidly due to an epidemic of African Swine Fever. It's affecting farmers and consumers across the world, because China produces half of the world's pork.


Why Utility Companies Are Key To Slowing Climate Change

Tuesday, August 13, 2019

Some of the oldest companies in America are in the climate change debate. Utilities are supposed to deliver electricity cheaply and reliably. Now, regulators are trying to make them go green.


Experts On Climate Change Say How We Use Land To Grow Food Needs To Change

Thursday, August 08, 2019

Some of the world's top experts on climate change issued a new warning on Wednesday about how we use land to grow food. They say it's contributing to global warming, but it doesn't have to.


U.N. Says Agriculture Must Change To Prevent Worst Effects Of Climate Change

Thursday, August 08, 2019

Humans must drastically alter food production in order to prevent the most catastrophic effects of global warming, according to a U.N. report.


New Evidence Shows Popular Pesticides Could Cause Unintended Harm To Insects

Tuesday, August 06, 2019

Studies are revealing new, unintended threats that neonicotinoid pesticides pose to insects. The chemicals, widely used by farmers, are difficult to control because they persist in the environment.


Don't Cut Those Trees — Big Food Might Be Watching

Wednesday, July 31, 2019

Dozens of food companies have promised to stop their suppliers from clearing forests in order to grow crops or graze cattle. Now the companies have a tool to monitor those farmers from space.


Economists Say Trump Administration Is Overpaying Farmers For Trade Losses

Thursday, July 25, 2019

The Trump administration has released details of a $16 billion plan to compensate farmers who've lost money as a result of the trade dispute with China. Some economists say it's too generous.


As Climate Changes, Taxpayers Will Shoulder Larger U.S. Payouts To Farmers

Wednesday, July 24, 2019

That's good for farmers but bad for taxpayers, who subsidize government-backed crop insurance. The fate of research that forecasts these costs is in doubt as economists and scientists leave the USDA.