Walter Lecture - Our changing climate: past, present and future

'Climate change' is often in the news, but what do all these stories add up to?

What is different about the climate changes we see today and what has happened in the past?

What will happen to climate in future decades, and can we influence that?

Christopher Merchant is Professor of Ocean and Earth Observation at the University of Reading. He has worked as a climate scientist for more than twenty years. Chris and his team are recognised experts at measuring in detail the warming of the world over recent decades from sensors orbiting the Earth on satellites.

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