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

These authors' works have the subjects "fossil fuels," "climate change," and "income inequality."

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

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

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

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

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

These authors' works have the genres "nature writing" and "canadian literature"; and the subjects "global warming," "climate change," and "government services."

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 genre "business and economics"; and the subjects "economics," "government services," and "budget deficits."

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

These authors' works have the genres "nature writing" and "canadian literature"; and the subjects "fossil fuels," "environmentalism," and "income inequality."