LS2A – Interdependent Relationships in Ecosystems

LS2A – Interdependent Relationships in Ecosystems

Hi. It’s Paul Andersen and this Life Science Disciplinary Core Idea 2A (LS2A). It’s on Interdependent Relationships in Ecosystems. So this is at the level of ecosystems so how communities, how biotic and abiotic factors all work together to create life on our planet. And so how do we get students to that level of …

President Obama Speaks on Climate Change

President Obama Speaks on Climate Change

(applause) The President: Thank you, Georgetown! Everybody, please be seated. And my first announcement today is that you should all take off your jackets. (laughter) I’m going to do the same. (applause) It’s not that sexy, now. (laughter) It is good to be back on campus, and it is a great privilege to speak from …

Sea Level and Global Warming

Sea Level and Global Warming

NARRATOR: THE PRECISE ROLE THAT GLOBAL WARMING PLAYS IN DETERMINING SEA LEVEL, IS A SUBJECT OF CONSIDERABLE CONTROVERSY. BUT MANY SCIENTISTS BELIEVE THERE IS A CLEAR LINK. THAT HEATING OF THE ATMOSPHERE AND THE OCEAN IS GOING TO CONTRIBUTE TO THE MELTING GLACIERS, AND ICE PACKS. AND IN FACT, THAT IS BEING VERY WELL DOCUMENTED …

Best Organic Chile Fertilizer?

Best Organic Chile Fertilizer?

[Energetic music] [Sound of water flowing out of faucet] Laura Johnson, NMSU horticulture graduate student: With my research project, I’m looking at three different kinds of organic fertilizers in green chile production. I’m using compost, compost tea and a processed chicken manure. I’m using the three fertilizers to look at how they affect the growth …

Environmental crisis

Environmental crisis

over 70,000 years ago Homosapien spent life with normal life They were less influence to the earth than other animal such as Jelly fish But, now everything has changed Let’s look what nowadays people can harm the environment plastic plastic plastic plastic PLASTIC!! we cut cut cut CUT ALL THE TREES!! we release the pollution …

Future Risks: Climate change

Future Risks: Climate change

Climate change is a reality. Extreme weather can disrupt the production and shipment of commodities putting global supply chains at risk. Often, environmental threats are connected in ways we don’t expect. Consider the case of the Bark Beetle, a parasite that kills trees. Warmer weather expands the beetle’s habitat destroying more forests. Wildfires then become …