IS Kat Dibbits just a wee bit selfish considering her own sexual taste buds to the health of the planet.

Methane, which pours from a cow's bottom on an industrial scale every few minutes, is 21 times more powerful as a greenhouse gas than carbon dioxide. And as a result, farmed animals are doing more damage to the climate than all the worlds transport and power stations put together.

What's more, demand for beef means more and more of the world's forests are being chopped down, and more and more pressure is being put on our water supplies. Plainly, then, if we care about the planet, we need to stop eating animals.

Alywnne Cartmell, Bolton