US households use almost twice as much energy as those in Europe and produce nearly one-fifth of America’s energy-related carbon emissions. Here are ways that we can reduce their footprint and live cheaper and cleaner.

In much of the world, barbecuing is practically synonymous with summer. But those smoky foods and glowing embers come with significant ecological and human costs. From creation to cookout, here’s a look at the impact of charcoal — and at some greener alternatives.

When the World Health Organization officially declared a pandemic in March 2020, the world ground to a halt: Factories closed, roads emptied and planes were grounded. How did COVID-19 lockdowns affect climate change? A climate scientist explains.