Zac Goldsmith

All schools should teach children basic cooking skills. Every school should be able to buy sustainable, good quality food wherever possible from local sources. Every school should include food-growing in the curriculum. For some, that will mean twinning with willing farms. For others, it will mean literally building their own small farms.

If you tell people, 'that old banger of yours, we're going to tax the hell out of it,' they'll rightly tell you to get lost. But if you tell people that when they next buy a car, the tax will be adjusted so that the cleanest ones will cost less and the polluting ones will cost more, most people would say 'fair enough.'

Engineers in the developed world should be arguing not for protectionism but for trade agreements that seek to establish rules that result in a real rise in living standards. This will ensure that outsourcing is a positive force in the developing nation's economy and not an exploitative one.