When Old Water Heaters Need Replacing, Choose High-Efficiency Units
As we shift to all-electric homes, heat pump water heaters will be part of the package.
Dennis Allen
Recent Stories
Time for the Cement Industry to Clean Up
Innovations, cleaner sources of energy, sequestering emissions and using only what’s needed can get the cement industry to zero-carbon.
Big Cities Are Starting to Help the Environment
Of the world’s 7 billion-plus people, more than half live in cities. Ninety percent of these cities are in coastal
Air Travel Is Getting Cleaner
New aircraft designs, more efficient engines, and plant-based fuels can drastically reduce greenhouse gas emissions.
Electricity from Power Plants Gets Cleaner Every Year
A few of us have long advocated for the all-electric home as an important way to address climate change. To
More Seaweed to Tackle Climate Change and Feed the World
Working with nature, even large-scale, always produces a win-win situation.
Is Agriculture Nimble Enough for the Climate Crisis?
Farmers know the planet is changing and are trying to adapt while there are still options.
Resilience in Our Houses
Resilient houses are a necessity in the face of increasingly frequent and intense natural disasters.
Reversing the Decline of Biodiversity
Taking care of insects is engaging, fun and key to our survival on earth.
California Cities Starting to Ban Natural Gas in New Buildings
Inexpensive clean electricity makes natural gas unneeded in our buildings.