You can now read 10 articles in a month for free on Read as much as you want anywhere and anytime for just 99¢.

The Boston Globe


Exclusive Sunday Magazine preview

From the labs: Six geoengineering ideas

Most geoengineering schemes fall into two categories — carbon-dioxide removers and sunlight blockers. These six ideas are being discussed now.

THE IDEA Trees turn carbon dioxide into oxygen through photosynthesis. China, for instance, has planted about 60 billion trees in the last 30 years.

Loading comments...

You have reached the limit of 10 free articles in a month

Stay informed with unlimited access to Boston’s trusted news source.

  • High-quality journalism from the region’s largest newsroom
  • Convenient access across all of your devices
  • Today’s Headlines daily newsletter
  • Subscriber-only access to exclusive offers, events, contests, eBooks, and more
  • Less than 25¢ a week