Roddy Scheer

Highways are changing as engineers look for ways to make roads last longer while reducing pollution.

Dear EarthTalk: What is the Xerces Society's “Leave the Leaves” campaign all about and how many sites participate? Randy J., Newark, NJ

Eight out of the ten hottest years on record have occurred in the past decade. Thus, it is no surprise that rising global temperatures have had a significant impact on wine production.

Dear EarthTalk: How is Bulgaria moving away from coal and toward cleaner energy, and what challenges are standing in the way?

Dear EarthTalk: What are the environmental impacts of the fast-growing tequila industry? Marcus Emilio, Albany, NY

In America, an estimated 50–60 million people maintain backyard bird feeders, a device often hung on yard trees or outdoor decks. Residents deploy these to intend to supply birds with the necessary foods. Although many hang up these feeders in hopes of helping wildlife through harsh seasons, research suggests that this well-intentioned habit may reshape bird behavior beyond the intended benefits.

Roddy Scheer & Doug Moss Dear EarthTalk: Is owning a cat or dog bad for the planet? Missy Teahan, Acton, MA

Dear EarthTalk: Has banning the sale of invasive plant species slowed their spread? Maury Turner, Lebanon, NH

Dear EarthTalk: Have there been any innovations in air conditioning technology in recent years to help mitigate climate impacts of staying cool?

Dear EarthTalk: Can plants actually “hear” pollinators nearby and open up accordingly and can we harness this knowledge to help pollinators and plants thrive?