U.N. officials on Wednesday urged the Myanmar government to allow aid workers to distribute relief goods throughout the country, following a cyclone that could result in the deaths of 100,000 people as conditions worsen, a U.S. diplomat said.

The Arctic is a receptacle of the planet's air pollutants -- from forest fires to human-produced carbon dioxide emissions -- and a coordinated international effort is geared toward learning more about pollutants' effects at the top of the globe.