what do we do now? by dr. jobea holt jpl climate symposium october 16, 2010
TRANSCRIPT
What Do We Do Now?
byDr. JoBea Holt
JPL Climate SymposiumOctober 16, 2010
Ok, if we accept that global warming is real and that we’re causing it, isn’t the problem so big
that we can’t possibly fix it?
Where Does the CO2 Come From?
Carbon’s Pathway
More People, More Technology, More CO2
How Do We Turn the Curve Down?
What Do I Use In a Day?One 40 Watt lightbulb uses 1kW-h energy per day
Personal ActionDrive 30 miles (25 mpg)Fly RT to London (once/year)Light, heat, cool house (hot shower=2)Gadgets FoodStuff (water bottle = 2)Infrastructure Total
Energy (kW-h)40
30 45 5 156055
250
MacKay, David, 2010, Sustainable Energy-Without the Hot Air, Caltech e&s.
What Could I Use in a Day
Personal ActionDrive EV 30 miles Fly RT to London (once/two years) Fluorescent bulbs, shorter shower...Unplug gadgetsEat less meatReuse, use tap water....VoteTotal
Energy (kW-h)10 1520
3103050
138
Can We Solve It With Renewables?
Renewable EnergyWindEnergy cropsSolar panel farmsSolar concentrators
% Land126062
Renewables InvolveLand-Use
MacKay, David, 2010, Sustainable Energy-Without the Hot Air, Caltech e&s.
Will We Get It Right the First Time?
People Drive the Flow of Carbon
Focus on the negative, or...
...be part of making our planet sustainable.
“...I believe this is gonna be our finest hour.”