NASA have been studying CO2 levels since 1957 but what exactly are they monitoring and how do they foresee the challenge of climate change unfolding?

Dr Robert Cahalan urges us to foster hope, take action and keep educating ourselves in order to solve problems that seem unsolvable now. 

Find out how you can become more proactive in tackling climate change in your day-to-day life. 

Find the episode on Great.com: https://great.com/great-talks-with/what-were-yet-to-discover-nasa-and-the-climate-cris