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Outright bans on plastic bags may not be the best solution, but education and incentives to get people to stop using them are necessary.
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It's time we stopped ignoring the environment. Let's not let another election go by without making this a high priority.
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Scientists are being portrayed by much of the power structure in politics and business as having a vested interest - that they're just out to get more grant money by exaggerating the threats.
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Plastic bags are bad and for the most part unnecessary.
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The damage that climate change is causing and that will get worse if we fail to act goes beyond the hundreds of thousands of lives, homes and businesses lost, ecosystems destroyed, species driven to extinction, infrastructure smashed and people inconvenienced.
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Scientists and supercomputers have amplified our ability to look ahead. For decades, experts have warned us that human numbers, technology, hyper-consumption and a global economy are altering the chemical, geological, and biological properties of the biosphere.
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Many scientists and economists also say putting a price on carbon through carbon taxes and/or cap-and-trade is necessary.
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Japanese people cut their energy use by 25 percent immediately after Fukushima. They showed there was huge opportunity there. And instead, the government simply wants to get those plants up and running again.
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Corporations are economic entities or structures, and yet they're allowed to fund political candidates, and when those candidates are elected, guess who gets in the door first? It's corporations.
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Planting native species in our gardens and communities is increasingly important, because indigenous insects, birds and wildlife rely on them. Over thousands, and sometimes millions, of years they have co-evolved to live in local climate and soil conditions.
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We need love, and to ensure love, we need to have full employment, and we need social justice. We need gender equity. We need freedom from hunger. These are our most fundamental needs as social creatures.
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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.
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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.
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Being an environmentalist isn't all about doom and gloom.
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Over and over, we hear politicians say they can't spend our tax dollars on environmental protection when the economy is so fragile.
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We have altered the physical, chemical and biological properties of the planet on a geological scale. We have left no part of the globe untouched.
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We're in a giant car heading towards a brick wall and everyone's arguing over where they're going to sit.
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The planet, hell! What about my nuts?
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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.
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Pearl Harbor was the defining event in my life. It shaped who I am, and all of my hang-ups and my drives, I think, stem from that.
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If you're not being pessimistic, you're not being very realistic. But I think one must always have hope, and when you have children, of course, you have no choice but to work your tail off to try and protect the future for your children. And that is infused by hope in the end.
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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.
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Many countries - as well as cities, states and provinces - are taking global warming seriously and are working to reduce emissions and shift to cleaner energy sources.
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We must pay greater attention to keeping our bodies and minds healthy and able to heal. Yet we are making it difficult for our defences to work. We allow things to be sold that should not be called food. Many have no nutritive value and lead to obesity, salt imbalance, and allergies.