Blue-green algae found to produce greenhouse gas methane

An international team of researchers has found that cyanobacteria (blue-green algae) produce the greenhouse gas methane. In their paper published in the journal Science Advances, the group describes tests they carried out ...

Impact statement on US oil pipeline due in August

The US State Department said Friday it expects by mid-August to release a final environmental impact statement on a proposed $13 billion oil pipeline that would stretch from Canada to Texas.

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