In Episode 8 of Ever Wondered?, Dr John Watt investigates how scientists monitor changes in atmospheric gas levels and looks at some innovative ways to reduce greenhouse gas emissions.
During August 2010, TVNZ 7 focused on science and technology, with an exciting range of local and international programmes. TVNZ partnered with the Ministry of Research, Science and Technology for the 'Spotlight on Science and Technology' month, and also with the Royal Society of New Zealand for a 10-part series about New Zealand science.