28:42
Measuring the Earth's Temperature
Starting with temperature records collected over 100 years ago, Measuring the Earth's Temperature takes the viewer from the earliest weather stations and balloon launches, to a network of super weather stations constructed in the 21st century. Highl...
00:38
Meltdown: A Global Warming Journey
Despite widespread scientific acceptance of the global warming theory, it remains a highly contentious subject. This program studies divergent points of view contributing to the global warming debate, untangling a morass of political and scientific ...