The future of the world's biodiversity hangs in the balance as countries convene for crucial negotiations in Nagoya, Japan. The 193 signatory nations to the Convention on Biological Diversity (CBD) pledged eight years ago to cut species loss "significantly" by this year. But studies show that the health of global biodiversity is reaching a crisis point, with extinctions of mammal and amphibian species continuing to rise.

Local action can curb habitat loss and counter global pessimism on biodiversity. (Editorial)

Protecting the world

As Einstein predicted, a slow drive or a step up a ladder is enough to warp time.

Climate change is often associated with an increase in the frequency of extreme weather events, such as heat waves or intense precipitation.

Tanzania

World leaders will gather at the United Nations in New York next week to discuss progress on two goals said to be complementary: saving species and lifting people out of poverty.

A proposed road through the Serengeti can be halted only by providing a viable substitute, not by criticism. (Editorial)

The anti-science strain pervading the right wing in the United States is the last thing the country needs in a time of economic challenge. (Editorial)

US