My trip to meet the scientists trying to refreeze the Arctic

In this week's newsletter: The melting of the Arctic's summer sea ice is the most visible upshot of the climate crisis. Refreezing it might be a long shot - but do drastic times call for drastic measures?- Don't get Down to Earth delivered to your inbox? Sign up hereSpeeding across rapidly melting Arctic ice on a snowmobile gave me a vivid feel for its beauty and fragility. The brilliant white landscape gleamed ahead, while the sky blue pools of meltwater jetted up on to my boots.When I visited Cambridge Bay in northern Canada at the start of this month, the melt season had hit with brutal speed: temperatures were 5-10C above normal, kickstarting the melting almost overnight.Why farmers see Colombia's knife-edge election as a battle for the Amazon's futureJamaica's beach access crisis: 'We shouldn't be forced to fight for what is already ours''The Antarctic is the last frontier': the quest to save Shackleton's Endurance Continue reading...