CLIMATE LAB

The Northeast, which has warmed faster than the rest of the country, saw the biggest jump in mosquito days. Look up how mosquito season has changed in your town.

Seasonal temperature trends show how, decade after decade, global warming is unfolding across the planet — from New York to Shanghai to your own backyard.

What do all those labels mean? We examined more than a dozen salmon packages and talked to experts to find out.

Fracking supporters have long touted it as a green technology. Enhanced geothermal energy is finally making that a reality.

Everyone complains about the weather forecast, but some people have more cause to grumble than others. Find out how accurate the forecast is where you live.

The Post installed cameras to capture how sea level rise worsens high-tide flooding in this N.C. town.

Every time you take a breath, you could be inhaling microplastics. See how tiny and dangerously invasive they can be.

A Washington Post analysis of a trove of meteorological records shows the extent of life-threatening heat across the globe.

As heat waves creep north, they are baking schools that previously did not need air conditioning. Fixing the problem will be neither cheap, nor easy.

New research shows that by 2050, large areas in California, Arizona, Nevada and Texas will experience months of temperatures high enough to compromise the grid.

This young whale survived a harrowing journey that has killed so many of his species. It wasn’t enough.

As electricity prices go negative, the Golden State is struggling to offload a glut of solar power.

Spending time in nature is linked to a longer, healthier life. But nature is not distributed fairly across the country.

Watch a cherry tree bloom over 10 days, and find out how climate change is propelling D.C.’s famous trees to hit peak earlier.

Readers told us how spring has changed where they live. Look up your town to see when leaves are sprouting and how spring’s arrival time has changed.

A slew of companies are redesigning jeans to make them more sustainable. Here’s how to spot them.

Look up your city to see how winter temperatures have changed since 1980. Most regions across the U.S. have seen warmer winters, with New England warming the fastest.

The U.N. wants to protect 30 percent of the planet. Many of the areas it counts towards that goal are small and oddly shaped. Can contorted shapes save nature?