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UK: Campaigners challenge Norfolk road-building plans

US: Conservation groups sue over coal mines in Colorado, Montana

Canada: Vancouver backs idea of climate lawsuit against big oil companies

UK: Power plant under scrutiny over biomass 'greenwashing' claims

New Zealand: Court hears youth arguments against oil and gas exploration

US: Department of Energy sued for failing to release energy records

Canada: Environmental groups challenge 'sleeper' oil and gas permits