Picture all of the trash you’ve thrown away this week. How much do you think you could reduce that amount if you really tried? By half?

If you follow the headlines, nuclear energy seems to be enjoying a bit of a renaissance. A new generation of nuclear innovators is emerging, young tech startups are poised to disrupt a lethargic industry, and there’s a palpable wave of optimism over the potential for nuclear power to help combat climate change. But at recent UN climate change conferences, the word “nuclear” was barely heard. Why the disconnect?

Pink is the new green, thanks to technology developed at UC Santa Cruz.

Scientists and global leaders are busy seeking solutions to climate change, but a growing number of experts in the field think that another group will have to play a critical role: entrepreneurs. And now is the time for entrepreneurs to enter the fray.

Is brown the new green? UCLA researchers are using waste matter (yes, including poop) to make a new generation of advanced biofuels.

You are what you eat, as the saying goes, and while good dietary choices boost your own health, they also could improve the health care system and even benefit the planet. Healthier people mean not only less disease but also reduced greenhouse gas emissions from health care.

If you’re thinking of buying a new car, there’s a decent chance you’re considering trying something greener. There’s also a decent chance that some concern, big or small, has you hitting the brakes when it comes to buying an electric car.

Even when you’re not at home, your house is a power glutton. Yes, yours. And it needs to go on a serious energy diet.

All eyes will be on Paris next week as the nations of the world come together to negotiate the future of the planet at the 2015 UN Climate Conference (COP-21), and California will be at the table.