Dear EarthTalk: Which companies and industry sectors stand to profit the most from global warming? —Jerry M., Largo, FL June 6. According to a report by Swiss Re, a global insurance provider, climate change could erode a total of $23 trillion of global gross domestic product by 2050. But while global warming is a crisis […]
Dear EarthTalk: What is mariculture and why are proponents so bullish on it as a solution to environmental challenges? —Peter Manchin, Atlanta, GA May 30. Growing demand for seafood adds more pressure to ocean populations. Mariculture has an alternative that can help mitigate environmental challenges and even climate change. This type of aquacultural practice cultivates […]
Dear EarthTalk: Which U.S.-based Fortune 500 companies are turning their backs on previous climate commitments, and which are forging ahead toward carbon neutrality? – L.J., via email May 16. Many Fortune 500 companies have pledged ambitious climate goals, including net-zero emissions and investing in renewable energy. But while some are making meaningful progress, others are […]
Dear EarthTalk: If we’ve had the Safe Drinking Water Act in effect for 50 years already, why are so many municipalities having problems providing safe drinking water? – Mary Ford, New York, NY April 4. The Safe Drinking Water Act (SDWA), enacted in 1974 under President Gerald Ford, established the first comprehensive framework for regulating […]
Dear EarthTalk: How is wind power doing in the US? —P.K. via email March 28. Wind energy is the largest single source of renewable energy in the U.S., comprising 10 percent of the nation’s electricity mix. In Iowa and South Dakota, wind provides more than half the electricity. In 2024, U.S. wind electricity generation surpassed […]
Dear EarthTalk: Can we do a better job repurposing outdated technology instead of trashing it? —R.T Smith, via e-mail March 21. The annual production of “e-waste”—electronic products that have reached the end of their useful life and tossed—is rising by 2.6 million tons globally, on track to reach 82 million tons by 2030. While recycling […]
Dear EarthTalk: What are so-called “green corridors” in cities and how do they help mitigate climate change? —Peter Q, Boston, MA March 7. Green corridors, or ecological corridors, are strips of vegetation and natural landscape dispersed throughout a city. From simple, street-lined rows of trees to interconnected networks of parks and pathways, these developments provide […]
Dear EarthTalk: What is the status of the monarch butterfly in the U.S. and is it listed as threatened or endangered? —M. Smith, Raleigh, NC Feb. 28. The monarch butterfly, known for its awe-inspiring migration across North America, has become a symbol of both ecological wonder and environmental decline. Once abundant across the continent, their […]
Dear EarthTalk: Does the rise in diseases like Lyme Disease and Rocky Mountain Spotted Fever mean tick populations are on the rise? Are there eco-friendly ways to control ticks? —J.B. via email Feb. 14. Common tick-borne diseases include Lyme disease, anaplasmosis, babesiosis and Rocky Mountain spotted fever. Lyme disease is the most well-known, caused by […]
Dear EarthTalk: What’s the connection between climate change and an increase in so-called atmospheric rivers? —John H., Bridgeport, CT Feb. 7. Atmospheric rivers are narrow bands of water vapor that form in the mid to high latitudes. These can span several miles and carry immense amounts of water—up to 27 times the flow of the […]