Specieswatch: Wild deer release millions of tonnes of methane a year

Scientists find ruminants emit more of greenhouse gas individually than cows, although total contribution tiny compared with domesticated livestock When cows belch and fart they release methane, which is warming the planet, but how does this compare with the digestive gases emitted by wild animals? A new study shows that deer add the greatest amount of methane to the atmosphere, but compared with domesticated livestock their total contribution is minuscule. Methane is a potent greenhouse gas,...

By Kate Ravilious