Stories by Marianne Lavelle

Entrepreneurs aim to bring electricity to the world's energy poor without fossil fuels

Trains aren't just carrying crude oil when it comes to energy

U.S. railroads plan to spend to grow but they will still miss a legal deadline to deploy high-tech safety equipment by the end of 2015

Fatalities reach seven-year high as railroads embark on a record expansion

Researchers find alarming levels of these new contaminants in wastewater released into Pennsylvania and West Virginia streams

The U.N. climate negotiations are no longer just about emissions limits but also social justice

Don't want to lease or buy outright solar panels? SolarCity will now loan you the money to do so

Lyme disease is bad enough. But it's just the beginning of a host of odd and ugly diseases ticks transmit, public health officials are finding

One of the clearest signs of health risks in a warming world has emerged in one of the world’s most advanced economies, as Canada belatedly struggles to cope with Lyme disease's migration in North America

As protesters rally, corporate boardrooms struggle over how to prevent further global warming

Doctors treating Lyme see evidence that pregnant women can transmit the disease to their children. But public health experts say the science isn't so clear

As Lyme disease spreads across the U.S., those in its path cope with a debilitating, bewildering array of maladies, misery and afflictions

The first of three big commercial-scale cellulosic ethanol plants comes online in Iowa in a bid to prove the fuel's promise as a solution to climate change

Hot weather combined with intense downpours – one of the signature signs of a changing climate – has flummoxed duffers and greenskeepers alike on East Coast golf courses. But don't handicap them yet

Idyllic settings and lush greens at golf courses are the product of a global research effort working hard to prepare the industry for global warming

Could drought be destabilizing California weather?

With better management, the grass and shrubbery by the side of the road could soak up a lot of CO2, helping combat climate change

Corn syrup is at risk due to weather and water threats

One of the most popular eating fish on the U.S. east coast is moving north as waters warm due to climate change

Is this the end of Montana's famed cutthroat trout in the face of invasive rainbow trout, stream temperature rise and flow changes?

 A "dramatic" drop in California's iconic—and dense—winter fog has made driving safer

Sensors in the most seismically active U.S. state are providing insights into calving, a process that alone is not an indicator that a glacier is retreating