Carbon
in sentence
2411 examples of Carbon in a sentence
It's something like a Kickstarter project, only with a 15-year time horizon and millions of tons of
carbon
dioxide at stake.
I thank you for listening to our story, a story of how we are keeping our promise to remain
carbon
neutral, a story of how we are keeping our country pristine, for ourselves, our children, for your children and for the world.
This has the potential to lower, at least overall, the cost, time and
carbon
footprint of shipping without needing runways.
But what we can see is that transferring technology and knowledge and policies between cities is how we've actually begun to reduce the
carbon
intensity of our economies.
That's saving 3.2 billion tons of
carbon
dioxide emissions, which is the equivalent of taking all American cars off the roads for three whole years.
So, imagine that the building blocks are little atoms and there is a hydrogen here, a
carbon
here, a nitrogen here.
If the weak force had been a little bit different, then
carbon
and oxygen wouldn't be stable inside the hearts of stars, and there would be none of that in the universe.
The types of microbes that they used were called hydrogenotrophs, and with these hydrogenotrophs, you can create a virtuous
carbon
cycle that would sustain life onboard a spacecraft.
Astronauts would breathe out
carbon
dioxide, that
carbon
dioxide would then be captured by the microbes and converted into a nutritious, carbon-rich crop.
The astronauts would then eat that carbon-rich crop and exhale the
carbon
out in the form of
carbon
dioxide, which would then be captured by the microbes, to create a nutritious crop, which then would be exhaled in the form of
carbon
dioxide by the astronauts.
So in this way, a closed-loop
carbon
cycle is created.
We need
carbon
to survive as humans, and we get our
carbon
from food.
On a long space journey, you simply wouldn't be able to pick up any
carbon
along the way, so you'd have to figure out how to recycle it on board.
So a colleague of mine, Dr. John Reed, and I, were interested, actually, in
carbon
recycling here on Earth.
We have limited space and limited resources, and on Earth, we really do need to figure out how to recycle our
carbon
better.
So we had the idea, can we take some of these NASA-type ideas and apply them to our
carbon
problem here on Earth?
We found that we can make essential amino acids from
carbon
dioxide using these microbes.
And a natural
carbon
sink was also removed.
These supercharged
carbon
recyclers, like plants, serve as the natural recyclers in their ecosystems where they thrive.
In those ecosystems, they take
carbon
and recycle it into the nutrients needed for those ecosystems.
But the beauty and power associated with these supercharged
carbon
recyclers lies in the fact that they can actually produce in a matter of hours versus months.
If we implement this type of approach and use these
carbon
recyclers, then we wouldn't have to remove any more rainforests to make the food and the goods that we consume.
So when you take your next breath, you'll be breathing in 42 percent more
carbon
dioxide than if you were breathing in 1750.
It's sequestering
carbon.
These molecules then react with airborne oxygen to create
carbon
dioxide and water.
As the fire heats up, the
carbon
dioxide and water vapor created by combustion expand.
For instance, any unreacted
carbon
atoms from the logs form little clumps of soot that rise into the flames and emit the yellow-orange light we associate with a campfire.
You see, scientists had just discovered in the laboratory in vitro that one pine seedling root could transmit
carbon
to another pine seedling root.
And then I got some really dangerous stuff: syringes full of radioactive carbon-14
carbon
dioxide gas and some high pressure bottles of the stable isotope carbon-13
carbon
dioxide gas.
I got my giant syringes, and I injected the bags with my tracer isotope
carbon
dioxide gases, first the birch.
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