A carbon footprint is the total amount of greenhouse-gas emissions that are a result of directly and indirectly from:
Environmental Science Standards:
(9) Science concepts. The student knows the impact of human activities on the environment.
(H) analyze and evaluate different views on the existence of global warming;
(J) research the advantages and disadvantages of "going green" such as organic gardening and farming, natural methods of pest control, hydroponics, xeriscaping, energy-efficient homes and appliances, and hybrid cars;
Before: Shoulder Partner Questions:
Do you consider yourself a consumer? How so?
During: Ponder This:
Write down interesting points, statistics, facts, etc. from the video, The Story of Stuff
After: Think, Pair, Share:
Clearly everyone needs to consume to live. What kinds of consumption are necessary? What types of purchasing alternatives are there? What kinds of consumption are unnecessary?
TASK: Calculate your carbon footprint while recording results onto the worksheet. Due at end of class.
Reducing the Carbon Footprint by 
The birth of tortoises native to Santa Cruz Island in the Galápagos increases their U.S. population from 44 to 48. A few thousand remain globally, according to estimates by experts.
This week, we've heard from researchers trying to untangle the effects of the "trip" that often comes with psychedelics and ketamine from the ways these drugs might change the human brain. For part three of our series on psychedelic drug research, we get a glimpse into why some researchers are taking the "trip" out of these drugs altogether. You don't need to have heard the previous two episodes to understand this episode on what could be next for psychedelic medicine.
Catch the rest of this series on psychedelics and related drugs this week by following us on Spotify and Apple Podcasts. They're the previous two episodes in our podcast feed.
Have other questions about psychedelics and the brain? Let us know by emailing shortwave@npr.org!
Colossal Biosciences says it used novel gene-editing technology to alter gray wolf DNA to breed the animals. Dire wolves recently featured prominently in the HBO series Game of Thrones.
What if you could get all the potential benefits of ketamine without the "trip"? For part two of our series on psychedelics, we look at how some researchers are trying to disentangle the "trip" from the drugs' effects on the brain — and why the answer could help direct the future of psychedelic research. (Spoiler alert: People generally know if they're tripping or not.) This episode: a researcher navigating this challenge by putting his patients to sleep.
Catch the rest of this series on psychedelics and related drugs this week by following us on Spotify and Apple Podcasts.
Have other questions about psychedelics and the brain? Let us know by emailing shortwave@npr.org!
Prominent anti-vaccine activists lined up on social media to denounce the move.
(Image credit: Mark Schiefelbein)
Many AI products claim to deliver mental health therapy, but with little quality control. But new research suggests with the right training, AI can be effective at helping people.
(Image credit: Basak Gurbuz Derma/Getty Images)
Biomass
Biocapacity
Carbon