The decline of a rare cactus in a national park epitomizes the Trump administration’s failure to protect endangered species along the border.

The number of confirmed plant extinctions and uncertainty around other species is a concern.

This month brings new books from Greta Thunberg, Robert Macfarlane, the activists behind Extinction Rebellion and other conservation experts.

In the new book, Protecting Pollinators: How to Save the Creatures That Feed Our World, Jodi Helmer explains how small changes in temperature can disrupt the partnership between plants and pollinators.

It appears to have been wiped out by pollution, development and illegal mining by “sand mafias.” Will other plants soon follow?

The new book Burn says we need to rethink our relationship with carbon and embrace one of its solid forms — biochar.

Ecologist Jodi Hilty explains what conservationists have learned about linking critical habitat areas together.

What border communities really need are solutions to address economic, health and climate problems — and the mesquite tree can help.

The Sonoran Desert’s iconic species faces an uncertain future because of climate change and drought.

People often think of urban landscapes as concrete dystopias, but the future may reside in cities that can sustain both people and nature.