Best longreads 2020

Our top 5 long reads of 2020

In-depth reporting that you may have missed.

We've made it to the final week of 2020—a big accomplishment in a year that felt never-ending.

With the holidays here, you may have a little more time to relax. Wondering what to do with that time? We've got you covered.


Kick up your feet, grab a mug of your favorite hot drink and settle in to catch up on our top five long reads of the year. From the ocean floor to the forests of North Carolina to the blustery North, below are our top investigations and features.

1. Unplugged: Abandoned oil and gas wells leave the ocean floor spewing methane

Gulf of Mexico oil and gas drilling

The Gulf of Mexico is littered with tens of thousands of abandoned oil and gas wells, and toothless regulation leaves climate warming gas emissions unchecked.

2. How Europe’s wood pellet appetite worsens environmental racism in the US South

An expanding wood pellet market in the Southeast has fallen short of climate and job goals—instead bringing air pollution, noise and reduced biodiversity in majority Black communities.

3. ‘Them plants are killing us’: Inside a cross-border battle against cancer and pollution

Air pollution Sault Ste. Marie Ontario

Two communities — one in Canada, one in the U.S. — share both a border along the St. Marys River and a toxic legacy that has contributed to high rates of cancer. Now the towns are banding together to fight a ferrochrome plant.

4. Microplastics in farm soils: A growing concern

Researchers say that more microplastics pollution is getting into farm soil than oceans—and these tiny bits are showing up in our fruits, veggies, and bodies.

5. Exempt from inspection: States ignore lead-contaminated meat in food banks

Hunter-donated meat provides crucial protein to US food banks. But an EHN investigation found a lack of oversight that could result in potentially hundreds of thousands of lead-contaminated meals this year.

Banner photo: The Algoma steel plant after sunset, in Sault Ste., Marie, Ont., on Friday, Jan., 17, 2020. (Credit: Christopher Katsarov Luna/EHN)

An illustration of a turtle with plastic in its mouth, surrounded by plastic bottles

Microplastics are undermining the ocean’s ability to absorb carbon

Research reveals microplastics may impair the ocean’s ability to absorb carbon dioxide, weakening a natural buffer against climate change.
A view of solar panels and wind turbines with mountains in the background

A year of clean energy milestones

Even as the Trump administration rolled back support for renewable energy in the U.S., wind, solar, and electric vehicles made huge strides globally in 2025.

A Greenland glacier receding from a brown and gray valley
Credit: Visit Greenland/Unsplash

Scientists just got some ancient clues about future sea-level rise — and it’s bad news

Rock samples collected from the Greenland ice sheet’s Prudhoe Dome show it completely melted in the past 10,000 years — and could vanish again amid climate change.
An illustration showing people migrating with an image of a globe in the background

The biggest climate migration problem may be that there's not enough of it

In his new book, Julian Hattem explores how migration can be a climate solution, not just for those who move, but their home communities as well.

a group of birds flying under a large cracked iceberg

Outdoor guides confront the risks of a rapidly melting world

As glaciers melt in Western Canada at an alarming rate, outdoor guides are not only witnessing climate change, but managing the hazards.

Oil barrels on background of the flags of Venezuela and USA.
Photo credit: Copyright: Yakobchuk/ BigStock Photo ID: 455109239

Venezuela’s ‘dirty’ oil and the environment: three things to know

Most of the reserves in the country are extra-heavy oil that’s tough to extract and generates more greenhouse gases.

Illustration depicting a 4-way pipeline leading to a distant refinery
Photo Credit: Getty Images For Unsplash+

Pipeline safety regulators issue record fine for Gulf oil spill

Pipeline safety regulators have imposed their largest fine ever on the company responsible for leaking 1.1 million gallons of oil into the Gulf of Mexico off the Louisiana coast in 2023.
From our Newsroom
Multiple Houston-area oil and gas facilities that have violated pollution laws are seeking permit renewals

Multiple Houston-area oil and gas facilities that have violated pollution laws are seeking permit renewals

One facility has emitted cancer-causing chemicals into waterways at levels up to 520% higher than legal limits.

Regulators are underestimating health impacts from air pollution: Study

Regulators are underestimating health impacts from air pollution: Study

"The reality is, we are not exposed to one chemical at a time.”

Pennsylvania governor Josh Shapiro speaks with the state flag and American flag behind him.

Two years into his term, has Gov. Shapiro kept his promises to regulate Pennsylvania’s fracking industry?

A new report assesses the administration’s progress and makes new recommendations

silhouette of people holding hands by a lake at sunset

An open letter from EPA staff to the American public

“We cannot stand by and allow this to happen. We need to hold this administration accountable.”

wildfire retardants being sprayed by plane

New evidence links heavy metal pollution with wildfire retardants

“The chemical black box” that blankets wildfire-impacted areas is increasingly under scrutiny.

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