When we put in place new common-sense rules to reduce air pollution, we create new jobs building and installing all sorts of pollution-control technology.

WHITEHOUSE: President Obama Speaks to Environmental Protection Agency Staff | The White House

Part of the reason for this decline is that many toads become homeless each year as wild ponds are lost due to road building, development, pollution, intensive farming and drought.

BBC: NEWS | UK | England | Cumbria | Rush hour threat to amorous toads

David Docherty, head of estates at the Royal London Hospital, part of Barts Health NHS Trust, told the BBC there were other considerations when it was decided to move the hospital from its old Whitechapel premises to a new adjacent building - namely, air pollution.

BBC: Closing hospital windows 'increases infection risk'

But it will also create new jobs, building and installing all sorts of pollution control technology.

WHITEHOUSE: President Obama Speaks at Conference on Conservation

Building a third runway at Heathrow would not be possible in the near future without breaching EU pollution rules, according to the reports.

CNN: UK's Stansted expansion challenged

One of those challenges is building on the work that we've done to control our own energy future while reducing pollution that contributes to climate change.

WHITEHOUSE: Remarks by the President in Personnel Announcements