Rather than buying foreign exchange, policymakers can keep it out of the country, sequestering it abroad like a non-native species.

ECONOMIST: How to live with an overvalued currency

The Gough mouse is one of 2, 900 non-native species damaging native wildlife on the 17 UK Overseas Territories and Crown Dependencies, a review by the Joint Nature Conservation Committee (JNCC) has found.

BBC: NEWS | Science/Nature | Albatross chicks attacked by mice

"We can no longer take red squirrels for granted, like other members of our fauna and flora, they have suffered as the result of the spread of a non-native species - the grey squirrel, " she said.

BBC: Red squirrels conservation plan for Wales

In fact, according to the New York State Biodiversity Research Institute, that man-caused influence comes in fifth behind habitat degradation and loss, non-native invasive species, pollution, and overuse of resources.

FORBES: Got Problems? Blame Global Warming

Families who have already weaned themselves off the grid, or opted, when possible, for public transport, veganism, non-exploitation of native species, refusing to wear leather, fur, or exploit animals in any way, need to be rewarded for their benign, cruelty-free (or nearly free) environmental altruism.

FORBES: Correcting President Obama's Myriad Tax Fallacies

Under the scheme, non-native trees planted in the 18th and 19th centuries will be replaced with native species.

BBC: Trees being felled in Yorkshire woods