Is CO2 fertilisation our get-out-of-jail-free card?

Response to Matt Ridley by Richard Betts In Monday’s Times newspaper, Matt Ridley wrote an article entitled: “Now here’s the good news on global warming: Activists may want to shut down debate, but evidence is growing that high CO2 levels boost crops and nourish the oceans”. He cited my tweet from last week that CO2 fertilisation […]

4 degrees C – an unavoidable catastrophe?

By Richard Betts If global greenhouse gas emissions do not begin to decline in the next few years, the chances are that global warming will exceed the 2°C “guardrail” that the EU and UN aim to stay below. HELIX is researching the impacts of higher warming levels, specifically 4°C and 6°C. What would a 4°C […]

Communicating unwelcome climate messages, poster @climatparis2015 conference

People from a range of disciplinary and organisational backgrounds discussed how the challenges of ‘high-end’ climate scenarios can most effectively be communicated. Participants suggested that unless the complexity of dealing with the thousands of decisions that might be affected by high-end climate change can be simplified, and the emotional implications are handled sensitively, simply presenting audiences […]