• Studying Ice Cores to Understand the Earth’s Climate
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    Studying Ice Cores to Understand the Earth’s Climate

    One of the best ways to understand the Earth’s climate system as a whole is to look into the Earth’s past and to look at different time periods in the Earth’s climate history when greenhouse gases were at different levels. How much of the difference is really explained by the greenhouse gases themselves? How much is explained by other factors? Ice cores are among the best records for answering those questions. We collect ice cores both from Greenland and Antarctica. These are the two biggest ice sheets in the world, and the two ice sheets that contain really very, very old ice. If we drill down to the base of…

  • Sustainable Self
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    Sustainable Self

    [MUSIC PLAYING] SPEAKER 1: So to introduce our presenter tonight, we have Ben Woodman. He is from the state of Maine. He has always had a passion for the environment because he grew up hunting, fishing, hiking, and traveling. He is currently studying environmental science and hopes to work in sustainability and or education in the future. He is the chair of Environment Sustainability Alliance here at the WSU Pullman. So just to start us off and I’ll hand it over to Ben. BEN WOODMAN: Hey, guys. So this is Sustainable Self. Thanks for joining. Let’s go ahead and jump right into it. So as she was saying, I’m a…

  • Is it Wrong to Fly?  – Glad You Asked S1 (E6)
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    Is it Wrong to Fly? – Glad You Asked S1 (E6)

    This is me in China in 1996, on a trip to see where my family came from.That trip was the first time that I rode in an airplane,and the first time that I got stuck in an airport.We’ve been waiting here for 9 hours now! Air travel is one of the great privileges of living in this century. And the number of air passengers is expected to double in the next 20 years. There’s just one problem. Aviation runs on oil, which contributes to global climate change.And there’s not a good alternative yet.So individual consumers were left wonderingabout their own responsibility.These blankets represent arctic sea ice. Alex: How many polar…

  • Greenhouse Effect – GCSE science, Physics (9-1)
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    Greenhouse Effect – GCSE science, Physics (9-1)

    – Hello, this video is about the greenhouse effect, the physical process that drives global warming and climate change. So, first of all, most of our energy comes from the sun, and the sun is a giant nuclear reactor in space. The reactions going on in the sun emit electromagnetic radiation. Now, we think of the sun as producing light and warmth perhaps, but actually it’s producing the entire range of electromagnetic spectrum all the way from radio waves at the low end to gamma rays and x-rays at the upper end of energy. Now, all that light and that radiation comes through space and by and large gets through…

  • Ecology and Environment: Intro
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    Ecology and Environment: Intro

    Homo sapiens rise. While homo habilis, homo neanderthalensis and homo erectus die out, leaving us the sole surviving human species. Our capacity for abstract thought, the ability to plan ahead and the ability to record information were necessary to our survival, but also allowed us to mould the world to our will and benefit. As homo sapiens spread many species such as the mammoths and giant ground sloths were hunted to extinction. Humans gradually abandoned the hunter-gatherer life, settling in agricultural communities. This change allowed much larger groups of humans to coexist, and so our settlements grew. Land was cleared for growing crops and animal husbandry and yet more species…

  • Climate change: the trouble with trees | The Economist
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    Climate change: the trouble with trees | The Economist

    Summer 2019 More than 38,000 fires raged across the Amazon… …fires that were man-made Over the past 50 years… …almost 17% of the world’s largest rainforest has been cleared And globally deforestation has almost doubled in just five years Since the start of human civilisation… …it’s estimated that the number of trees around the world… …has fallen by almost half Clearing forests increases carbon-dioxide levels… …but planting them could store away… …some of the carbon already in the atmosphere Everyone is looking for a silver bullet… …to get our way out of this really difficult problem of climate change Some people have latched on to tree planting as a kind…

  • WATCH: Greta Thunberg’s full speech to world leaders at UN Climate Action Summit
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    WATCH: Greta Thunberg’s full speech to world leaders at UN Climate Action Summit

    Greta your first climate strike was a lonely event a little over a year ago and in the intervening time you have sparked the interest of millions literally of children around the globe demanding action for climate change what’s your message to world leaders today my message is that we’ll be watching you this is all wrong I shouldn’t be up here I should be back in school on the other side of the ocean yet you all come to us young people for hope how dare you you have stolen my dreams in my childhood with your empty words yet I’m one of the lucky ones people are suffering…

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    Advanced Conversation with Jennifer on the Environment & Climate Change 🌎

    Hi everyone. I’m Jennifer from English with Jennifer, and I’m ready to share another current issue. If you’d like to communicate more confidently and effectively in English, remember to subscribe to my YouTube channel. I have videos on many different topics, from current issues to grammar, and everything in between: pronunciation, vocabulary, reading, writing, listening, and American culture. Let’s get started with our new topic. A couple of things have made the environment a central issue in U.S. news. First, it’s election season here, and all the top Democratic presidential candidates have laid out their plans to address climate change. We’ll see how Trump responds as we get closer to…