The increasing frequency of extreme weather events, droughts and floods is in line with what climate scientists have been predicting for decades - and evidence is mounting that what's happening is more severe than predicted, and will get far worse still if we fail to act.

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

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.

How do commercial interests usually protect themselves from liability claims? Through insurance. In fact, in our society, the litmus test for safety is insurance. You can be insured for almost anything if you pay enough for the premium, but if the insurance industry isn't willing to bet its money on the safety of [biotechnology], it means the risks are simply too high or too uncertain for them to take the gamble.

It's time we stopped ignoring the environment. Let's not let another election go by without making this a high priority.

If we humans are good at anything, it’s thinking we’ve got a terrific idea and going for it without acknowledging the potential consequences or our own ignorance.

Love is the force that makes us fully human.