- to
speak of
thousands or
millions of tonnes. Kilotonne, megatonne, and
gigatonne are more
usually used for the
energy of
nuclear explosions and
other events...
- rose from
around 400 ppm to 2,500 ppm with
approximately 3,900 to 12,000
gigatonnes of
carbon being added to the ocean-atmosphere
system during this period...
- (approximately 900
gigatonnes of
carbon — each ppm
corresponds to 2.13 Gt) and
dissolved in all
water bodies (approximately 36,000
gigatonnes of carbon). Carbon...
-
mantle has
roughly one
billion gigatonnes of
carbon (for comparison, the atmosphere-ocean
system has
about 44,000
gigatonnes).
Carbon has two
stable isotopes...
-
exceed 200
gigatonnes of CO2. This
corresponds to
around 4
years of
current emissions. To stay
under 2.0 °C, the
carbon budget is 900
gigatonnes of CO2,...
-
India meets most of its
domestic electricity demand through its 106
gigatonnes (104 billion long tons; 117 billion
short tons) of
proven coal reserves...
-
reached 427 ppm (0.0427%) on a
molar basis in 2024,
representing 3341
gigatonnes of CO2. This is an
increase of 50%
since the
start of the
Industrial Revolution...
-
other investment management company with
total reserves amounting to 9.5
gigatonnes of CO2
emissions or 30% of
total energy-related
emissions from 2017. Environmental...
- the Earth's
plant biom****. Net
primary production is
estimated at 21.9
gigatonnes of biom**** per year for
tropical forests, 8.1 for
temperate forests, and...
-
Since the pre-industrial
period (year 1750) to 2019,
approximately 2390
Gigatonnes of CO2 (Gt CO2) has
already been
emitted globally.
Scientific estimations...
