Green products need to become the norm on Britain's supermarket shelves and the most harmful products need to change, Government has said.
New London mayor Boris Johnson has scrapped a £25-a-day congestion charge for the most polluting vehicles.
Biofuels will harm biodiversity and may even cause greenhouse gas emissions, an independent review has concluded.
The environmental sector in Canada's Ontario is maturing, says its advocates, and it has moved away from tailpipe solutions towards addressing pollution at source and driving the province's low carbon economy.
A recently-completed London housing development shows how green homes could become the mainstream - without forcing any major lifestyle changes on their residents.
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