Overloaded wastewater treatment plants often discharge untreated sewage into waterways.

The predictable Atlantic signal can improve researchers’ ability to anticipate changes in leishmaniasis transmission.

If the White House wanted to teach the public about ongoing social issues, it could have built video games for its website that consider the various challenges surrounding those issues.

Holiday destinations in northern Europe saw a boost in tourist numbers this summer, but for some this throws up new problems.