Sign up for our daily briefing

Make your busy days simpler with Axios AM/PM. Catch up on what's new and why it matters in just 5 minutes.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Catch up on the day's biggest business stories

Subscribe to Axios Closer for insights into the day’s business news and trends and why they matter

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Sign up for Axios Pro Rata

Dive into the world of dealmakers across VC, PE and M&A with Axios Pro Rata. Delivered daily to your inbox by Dan Primack and Kia Kokalitcheva.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Sports news worthy of your time

Binge on the stats and stories that drive the sports world with Axios Sports. Sign up for free.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Tech news worthy of your time

Get our smart take on technology from the Valley and D.C. with Axios Login. Sign up for free.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Get the inside stories

Get an insider's guide to the new White House with Axios Sneak Peek. Sign up for free.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Catch up on coronavirus stories and special reports, curated by Mike Allen everyday

Catch up on coronavirus stories and special reports, curated by Mike Allen everyday

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Denver news?

Get a daily digest of the most important stories affecting your hometown with Axios Denver

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Des Moines news?

Get a daily digest of the most important stories affecting your hometown with Axios Des Moines

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Twin Cities news?

Get a daily digest of the most important stories affecting your hometown with Axios Twin Cities

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Tampa Bay news?

Get a daily digest of the most important stories affecting your hometown with Axios Tampa Bay

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Charlotte news?

Get a daily digest of the most important stories affecting your hometown with Axios Charlotte

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Nashville news?

Get a daily digest of the most important stories affecting your hometown with the Axios Nashville newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Columbus news?

Get a daily digest of the most important stories affecting your hometown with the Axios Columbus newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Dallas news?

Get a daily digest of the most important stories affecting your hometown with the Axios Dallas newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Austin news?

Get a daily digest of the most important stories affecting your hometown with the Axios Austin newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Atlanta news?

Get a daily digest of the most important stories affecting your hometown with the Axios Atlanta newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Philadelphia news?

Get a daily digest of the most important stories affecting your hometown with the Axios Philadelphia newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Chicago news?

Get a daily digest of the most important stories affecting your hometown with the Axios Chicago newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Sign up for Axios NW Arkansas

Stay up-to-date on the most important and interesting stories affecting NW Arkansas, authored by local reporters

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top DC news?

Get a daily digest of the most important stories affecting your hometown with the Axios DC newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

A seagrass meadow. Photo: Centre for Marine Ecosystems Research at Edith Cowan University

Meadows of seagrass on the ocean floor are among the planet's most efficient ecosystems for absorbing and storing carbon.

Why it matters: Climate change, industrial and agricultural run-off, and development along coastlines are threatening the world's seagrass meadows.

  • About 161,150 hectares of seagrass have been lost along Australia's coasts since the 1950s, releasing carbon dioxide equivalent to that from 5 million cars each year, according to new research.

What they did: Cristian Salinas of Edith Cowan University and his colleagues compared carbon stored in the sediment of seagrass meadows with areas that no longer had seagrass in western Australia's Cockburn Sound.

  • A loss of seagrass by itself didn't account for the carbon dioxide emitted from the soil, the researchers report in the journal Global Change Biology.
  • Waves, tides and currents disrupted the soil and sand in shallow areas without seagrass, releasing the carbon sequestered in it.
  • They also found seagrass meadows in shallow water stored more carbon than those in deep water, making the nearshore an important area to preserve, Salinas notes.

The big picture: Seagrass meadows — made up of more than 70 species of the marine flowering plant — filter seawater, buffer ocean acidification, regulate carbon and are home to more than 20% of the world's largest fisheries.

  • "In one square meter is the same amount of carbon that can be sequestered in 30-40 square meters of forest," says Salinas.
  • About 7% of the habitat is lost each year, contributing up to 299 Tg of carbon to the atmosphere, according to a June report from the U.N. Environment Programme.
  • The U.N. and others are urging countries to preserve and restore seagrass as one way to address climate change.

Go deeper

Ben Geman, author of Generate
Aug 19, 2020 - Energy & Environment

Occidental Petroleum teams with private equity firm to deploy carbon capture tech in U.S.

Image courtesy of Carbon Engineering

Occidental Petroleum has teamed up with Rusheen Capital Management to advance plans by Canada-based Carbon Engineering to build a direct air capture plant in the Permian Basin — and eventually facilities elsewhere, too.

Why it matters: It's a step toward building a plant that the companies say would be the world's largest direct air capture (DAC) facility, with the capacity to remove up to 1 million metric tons of atmospheric CO2 annually.

Instagram's boss faces Congress' questions on harm to teens

Photo illustration: Shoshana Gordon/Axios. Photo: Matt Winkelmeyer/Getty Images for WIRED

The head of Instagram will find himself in Congress' crosshairs for the first time Wednesday in the one area lawmakers have shown they are willing to pass tech regulations — protecting youngsters online.

Why it matters: Republicans and Democrats have found common ground in grilling tech companies on how their products harm children, especially after revelations in The Wall Street Journal about Instagram's potential harm to the mental health of teen girls.

Tina Reed, author of Vitals
57 mins ago - Health

Experts fear a bad flu season on top of COVID

Illustration: Sarah Grillo/Axios

Public health officials are warning that the U.S. may be on the verge of a dangerous double whammy: COVID and flu, spreading simultaneously.

The big picture: The Delta variant is still circulating across the U.S., and the Omicron variant isn't far behind. On top of that, experts see potential warning signs of a bad flu season, which could leave millions of Americans vulnerable and strain health care resources.