Is human impact on Earth sufficient to leave a permanent mark on the geological record? The term "Anthropocene" has already come into widespread use for our new human-dominated geological epoch.
Ole Hendrickson is a forest ecologist and current president of the Ottawa River Institute, a non-profit charitable organization based in the Ottawa Valley.
In Canada, the federal government has dismantled water legislation and left water quality protection in the hands of provinces, municipalities and individual homeowners.
A government that promotes war, that abandons the concept of serving people in the name of peace and friendship, and that fails to respect and support civil society, paves the way for extremist ideas.
Modern, greener infrastructure requires ongoing investment and careful planning, co-ordinated across levels of government. On this, the Harper government has been missing in action.
Can the world free itself from Big Oil's domination?
Imagine a society -- technically advanced, but spiritually impoverished -- that has been taken over by a fire-worshipping cult. Can the world free itself from its domination?
From a farmer's perspective, it is increasingly evident that neonicotinoids are being used in unacceptable ways. From an environmental perspective, the evidence of harm is overwhelming.
Permaculture, an agriculture movement based on natural systems, may represent the most enduring legacy of the counter-culture of the 1960s and '70s. Can it help society's transition to sustainability?
It's likely that oil supply will remain high and prices will remain low for the immediate future. What can we do with cheap oil? Here are five suggestions.
TransCanada is pushing its Energy East pipeline, which would convert the Canadian Mainline pipeline to carry diluted tar sands bitumen to Eastern Canada. But are provincial governments on board?