Making pets more climate-friendly

Keeping a 4.2kg cat is equivalent to the CO2 emissions of driving 1,164km, according to a study conducted by a team at the Swiss ESU-Services. Photo: dpa/Archiv/picture alliance

Flying less, taking public transport, eating more vegetarian food: There are plenty of ways people can lessen their impact on the environment.

One thing few people are talking about, though, is pets.