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This illustrated lecture explores beauty and ruin in the old caravansary towns of the Thar Desert in Shekhawati, and highlights conservation efforts aimed at preserving the region’s fading visual culture.

Frank discusses the nature of and trends in London's air quality in recent years, the impact of air quality on health and how public understanding of the issue is changing.

Cheese pies and grandmothers: adventures in Georgia - Lucy Alliott

Travelling across a country with a 33-letter alphabet and the highest mountain range in Europe has its fair share of obstacles. Grab a glass of chacha and say supra!

Alexander von Humboldt is the great lost scientist. Historian Andrea will talk about how his ideas revolutionised science and why he is the forgotten father of environmentalism.