Emergency declared in Nevada as wildfire forces evacuation of 14,000 people

A state of emergency is declared in the US state of Nevada as rampant wildfire spurs evacuations.

Some 10,000 people rallied in Stockholm on Sunday to demand stronger action on climate change, weeks before Sweden’s general election. Climate campaigner Greta Thunberg joined the rally, as organisers accused the government of weakening emissions policies and urged politicians to act faster to meet Sweden’s climate targets.

The long-running series in which readers answer other readers’ questions probes an intriguing scientific question in relation to the climate emergency Readers reply: Is it inevitable that consumerism will literally fill up the planet? If all the vehicles on the planet had their tyres pumped up with CO2, would this lock up enough carbon to lower the amount in the air significantly? Would there be other issues, such as the carbon cost of trapping it all into the tyres? Chris Coldwell, Lancaster Post your answers (and new questions) below or send them to nq@theguardian.com. A selection will be published next Sunday...