The hellish future of Las Vegas in the climate crisis: ‘a place where we never go outside’

Las Vegas is the fastest warming city in the United States. The city’s poorest residents are most at risk in the heat

Can fashion keep its cool … and help save the planet?

The catwalk world of glamour and luxury hides a business that thrives on wasteful consumerism. Now the climate crisis is forcing a rethink

G7 and fashion houses join forces to make clothes more sustainable

Climate crisis pushes retailers to reduce their impact on the environment

Coping with crisis: how scientists are making an invasive crab a delicacy

The little green invader gobbling shellfish and destroying habitats in the Gulf of Maine could finally have a predator – humans

Climate crisis: aviation industry hears clamour for electric planes

Shift from fossil fuels top of agenda for Paris air show, industry having lagged behind other sectors

Saype’s grassy graffiti: meet the street-art sensation who sprays mountains

The French artist’s giant biodegradable artworks adorn fields, are best seen by drones and last only days. Now, Guardian readers can get their hands on them