With the world's human population now at seven billion and growing and the demand for technology and modern conveniences increasing we can't control all our negative impacts. But we have to find better ways to live within the limits nature and its cycles impose.

With the world's human population now at seven billion and growing and the demand for technology and modern conveniences increasing we can't control all our negative impacts. But we have to find better ways to live within the limits nature and its cycles impose.

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.

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.

As parents grandparents uncles and aunts we need to start getting out into nature with the young people in our lives. Families play a key role in getting kids outside.

As parents grandparents uncles and aunts we need to start getting out into nature with the young people in our lives. Families play a key role in getting kids outside.

We can't blame children for occupying themselves with Facebook rather than playing in the mud. Our society doesn't put a priority on connecting with nature. In fact too often we tell them it's dirty and dangerous.

We can't blame children for occupying themselves with Facebook rather than playing in the mud. Our society doesn't put a priority on connecting with nature. In fact too often we tell them it's dirty and dangerous.

If we pollute the air water and soil that keep us alive and well and destroy the biodiversity that allows natural systems to function no amount of money will save us.

If we pollute the air water and soil that keep us alive and well and destroy the biodiversity that allows natural systems to function no amount of money will save us.

Most North Americans know that human-caused global warming is real even if political leaders don't always reflect or act on that knowledge.

Most North Americans know that human-caused global warming is real even if political leaders don't always reflect or act on that knowledge.

If we have any hope of finding ways for seven billion people to live well on planet with finite resources we have to learn to use our resources efficiently. Plastic bags are neither efficient nor environmentally friendly.

If we have any hope of finding ways for seven billion people to live well on planet with finite resources we have to learn to use our resources efficiently. Plastic bags are neither efficient nor environmentally friendly.

If America wants to retain its position as a global power its president must listen to the people and show strong leadership at this turning point in human history.

If America wants to retain its position as a global power its president must listen to the people and show strong leadership at this turning point in human history.

For the sake of our health our children and grandchildren and even our economic well-being we must make protecting the planet our top priority.

For the sake of our health our children and grandchildren and even our economic well-being we must make protecting the planet our top priority.

Hydraulic fracturing requires massive amounts of water. Disposing of the toxic wastewater as well as accidental spills can contaminate drinking water and harm human health.

Hydraulic fracturing requires massive amounts of water. Disposing of the toxic wastewater as well as accidental spills can contaminate drinking water and harm human health.

Thanks to evolution our bodies have powerful ways to ward off illness and infection and enable us to live long and healthy lives. Why then do health costs continue to climb at unsustainable and frightening rates?

Thanks to evolution our bodies have powerful ways to ward off illness and infection and enable us to live long and healthy lives. Why then do health costs continue to climb at unsustainable and frightening rates?

The government's desire to expand global trade may be understandable but we mustn't give away too much. We must tell our elected representatives to at least delay the Canada-China FIPA until it has been examined more thoroughly and to reconsider the inclusion of investor-state arbitration mechanisms in all trade deals.

The government's desire to expand global trade may be understandable but we mustn't give away too much. We must tell our elected representatives to at least delay the Canada-China FIPA until it has been examined more thoroughly and to reconsider the inclusion of investor-state arbitration mechanisms in all trade deals.