These authors' works have the subjects "global warming," "fossil fuels," and "environmentalism."

These authors' works have the subjects "global warming," "climate change," and "environmentalism."

These authors' works have the subjects "fossil fuels," "environmentalism," and "economics."

These authors' works have the genres "nature writing" and "canadian literature"; and the subjects "oil industry and trade" and "fossil fuels."

These authors' works have the subjects "rich people," "economics," and "income inequality."

These authors' works have the genres "nature writing" and "business and economics"; and the subjects "fossil fuels," "budget deficits," and "energy conservation."

These authors' works have the genres "nature writing" and "business and economics"; and the subjects "economics," "budget deficits," and "economic policy."

These authors' works have the genres "nature writing" and "business and economics"; and the subjects "environmentalism" and "environmental policy."

These authors' works have the genre "business and economics"; and the subjects "global warming," "climate change," and "economics."

These authors' works have the genre "business and economics"; and the subjects "oil industry and trade," "fossil fuels," and "economics."

These authors' works have the genres "business and economics" and "politics and global affairs"; and the subjects "economics" and "economic policy."

These authors' works have the genres "business and economics" and "politics and global affairs"; and the subjects "economics," "budget deficits," and "economic history."