Lowering carbon dioxide level:
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Answer:
Alternatives to driving
When possible, walk or ride your bike in order to avoid carbon emissions completely. Carpooling and public transportation drastically reduce CO2 emissions by spreading them out over many riders.
Drive a low carbon vehicle
High mileage doesn’t always mean low CO2 emissions. All vehicles have an estimated miles-per-gallon rating. Electric cars emit no CO2 if they’re charged with clean electricity. If you don’t charge it with your home’s solar panels AND live somewhere like WY, MO, MO, WV, or KY you’re BETTER OFF with a hybrid or high-mileage gas/diesel car. Here’s why. After incentives and gas savings, it essentially costs nothing to switch to an electric car like the the Nissan Leaf.
Get a hitch-mounted cargo rack
Don’t buy a minivan or SUV if you don’t need 4WD and/or will only occasionally need the extra space. A receiver hitch and a rack like this one only cost a few hundred bucks. Avoid roof-top boxes, which cost much more, increase aerodynamic drag, and decrease fuel economy.
Explanation:
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Answer:
Since the Industrial Revolution, humans have emitted more than 2,000 gigatons of carbon dioxide into the atmosphere. (A gigaton is one billion metric tons.)
This thickening blanket of heat-trapping greenhouse gases causes the global warming we experience today. If nothing changes, climate impacts such as forest fires, stifling heat waves and damaging sea level rise will only continue to intensify.
The imperative for combating climate change is to curb emissions rapidly—for example, by ramping up renewable energy, boosting energy efficiency, halting deforestation and curbing super pollutants like hydrofluorocarbons (HFCs). The latest climate science tells us, however, that these efforts alone aren’t enough to prevent dangerous climate change.
To keep global temperature rise to less than 1.5-2 degrees C (2.7-3.6 degrees F), which scientists say is necessary for preventing the worst impacts of climate change, we’ll need to not only reduce emissions but also remove and store some carbon from the atmosphere.
In fact, most climate model scenarios show we’ll need to remove billions of metric tons of carbon dioxide annually by 2050, while also ramping up emissions reductions.
Carbon removal can take numerous forms, from new technologies to land management practices. The big question is whether these approaches can deliver carbon removal at the scale needed in the coming decades.
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