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YERT: Your Environmental Road Trip

Three friends travelled to all fifty states in 52 weeks to film people who are making contributions to fight global warming. The film is titled “Your Environmental Road Trip” or YERT for short. Everyone from scientists, farmers, dumpster divers, a guy who turn trash into marketable products were represented here. [...]

No Drugs Down the Drain, SF Bay Area!

80% of our waterways show traces of medications, a result of expired or unneeded perscription drugs disposed of down the household drain. Please join the kickoff event for a permanent medicine collection bin at the Elihu Harris State Building Lobby, 1515 Clay Street, in Oakland. [...]

Visionaries who are changing your world: Paul Stamets

Visionaries who are changing your world: Paul Stamets has deployed mushrooms to clean up toxins, restore soil, and combat pests; he hopes one day to use them to cure tuberculosis, revive entire ecosystems, and even seed other planets for life. [...]

An American’s Impact by Category

When I was at EVO, I was tasked with creating a comprehensive environmental impact model, one that went WAY beyond the regular carbon calculator drill and incorporated a wide array of impacts — land use, waste, water and toxics. Several months of number crunching later, the Total Environmental Impact was born. For ease of reference, I’ve [...] [...]

Defining ‘Total Environmental Impact’

Many complex factors go into defining one’s environmental impact. Of course, small actions – like switching to compact fluorescent light bulbs or recycling plastic bottles – add up and are significant. But we intuitively know there’s more to it than that. To live sustainably we first have to understand the many different impacts of our consumption [...] [...]

Types of Environmental Impacts

EVO’s Total Environmental Impact Model provides a clear picture of how our behavior and purchases in different consumption categories have dramatic effects on the environment as measured by 4 main types of impacts: CO2 and CH4 (main greenhouse gases) Land required Water & Air Pollution (not including CO2 and CH4) Fresh water required How are the different types of impact [...] [...]

FAQ’s on the EVO Tree

What is the EVO Tree all about? The EVO Tree looks simple, but it is based on the integration of several complex data models used to assess the wide range of impacts we have on the environment. The EVO tree asks you a series of questions and based on your answers will show you how “green” [...] [...]

Scoring an EVO Question

There’s quite a bit of math that goes into each one of the EVO questions. What follows is an example of how we score a question. There are 3 steps to scoring a question… STEP 1 determines the “average American” (yellow) answer. STEP 2 determines the “efficacy” of the question, that is the amount by which the [...] [...]