The Australian Antarctic Division researchers are using a giant laser in Antarctica to research climate change in the atmosphere. The laser is being used to measure temperature of clouds in the mesophere level of the atmosphere (1,000km above the earth's surface). They think that the brighter and colder the clouds at this level hotter the temperature on earth's surface. Interesting to think that atmosphere cooling means warming on the surface. This type of research has already been done in the northern hemisphere and the research in Antarctica will help give a wider look at the atmosphere's temperature globally.
Read more about this research in this article.