The zinc hydride groups in the MOF reversibly bind and release the carbon dioxide molecules (right). Light-blue, gray, blue, red, and white spheres represent Zn, C, N, O, and H atoms, respectively.

A wide-spread soil mineral, alpha-iron-(III) oxyhydroxide, was found to become a recyclable catalyst for carbon dioxide photoreduction into formic acid. Credit must be given to the creator.

For the first time, Webb has captured “direct images” of carbon dioxide in an exoplanet atmosphere located 130 light-years away. HR 8799, being a multiplanet system, has long been of interest ...