Ethiopia and Egypt have pledged to fully develop the potential of the Nile River to bolster greater relations between the two countries, Ethiopian government sources told IRIN on Friday.

Two new reports by U.S. and international conservation groups detail the extensive threats to wildlife and biodiversity hotspots posed by global warming. Saying the studies provide further evidence that quick action is needed to combat climate change, the groups are calling on U.S. lawmakers to help cut greenhouse gas emissions by enacting higher fuel efficiency standards for cars and light trucks.

Scientists have confirmed that thousands of fish deaths along the Somali and Kenyan coasts were caused by two types of naturally occurring toxic algae, which should dissipate naturally by next week, a Kenyan official said Thursday.

There are only a few hundred mountain gorillas left in the wild, making them one of the rarest large mammals on earth. Their survival stems partly from the efforts of the famed American researcher Dian Fossey, who brought their plight to the attention of the world before her murder in 1985.

In my writing I have discussed the importance of the nitrogen cycle and the relationship between plant growth and organic and inorganic nitrogen. As it happens, I may have been mistaken — and so might more than a century of biological science.