Birds are, especially canaries, are super sensitive to hydrogen sulfide and sour gas.

Protecting the biosphere should be our highest priority or else we sicken and die.

Doing all we can to combat climate change comes with numerous benefits, from reducing pollution and associated health care costs to strengthening and diversifying the economy by shifting to renewable energy, among other measures.

Outright bans on plastic bags may not be the best solution, but education and incentives to get people to stop using them are necessary.

Unless we are willing to encourage our children to reconnect with and appreciate the natural world, we can't expect them to help protect and care for it.

But human borders mean nothing to air, water, windblown soil or seeds or migrating fish, birds or mammals.

Conserving energy and thus saving money, reducing consumption of unnecessary products and packaging and shifting to a clean-energy economy would likely hurt the bottom line of polluting industries, but would undoubtedly have positive effects for most of us.