Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain
the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in
Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles
and JavaScript.
As heads of Pacific island nations, we urge governments worldwide to avoid irreversible environmental damage to the region as well as the needless economic and geopolitical risks.
The Trump administration’s latest policies hit science hard. Plus, Chinese temples provide refuge for endangered trees and mice embryos with XY chromosomes can grow ovaries if their mother is iron-deficient.