There are
still areas of uncertainty associated with the carbon cycle.
Not exact matches
The main
area of uncertainty is
still the labour market, with the picture being clouded by conflicting data.
Still, it is one
of the few
areas of uncertainty surrounding the six - time champion.
«Number one [is]
uncertainty and volatility linked to currency exchanges... like the rouble and the dollar [and] there are all these Brexit consequences that everyone is
still discounting but we have
still yet to see over a 12 - month period,» says López, who has overall responsibility for the
areas of retail, franchise management and global expansion.
And
of course there's
still substantial
uncertainty in climate models at the regional scale in war - prone places (again, a prime example is the set
of countries along the southern fringe
of the Sahara Desert, where models
still clash on which
areas will grow drier or wetter; see my Somalia posts.)
That's an
area of active research because the estimates
of individual pulses are getting better, but the estimates
of how much CO2 would be released associated with an individual pulse is
still of the order -
of - magnitude
uncertainty, which is not helpful to really talk about emission rates.»
Still, identifying regional differences in reservoir GHG emissions remains a needed
area of future research (see below section on
Uncertainties and Future Research Directions).
Still focused on climate change being «fraught with complexity and
uncertainty,» Herkströter outlined Shell's plans for the future: «We will continue to find and produce oil and gas — efficiently and responsibly — to fuel the next 20 - 30 years
of economic growth... We will provide more natural gas and develop our businesses in gas - fired power generation... We are moving fast in the
area of renewables, with a new core business called Shell International Renewables.
«Accounting for multiple sources
of uncertainty, a composite
of several OHCA curves using different XBT bias corrections
still yields a statistically significant linear warming trend for 1993 — 2008
of 0.64 W m - 2 (calculated for the Earth's entire surface
area), with a 90 - per - cent confidence interval
of 0.53 — 0.75 W m - 2.»
«For a long time in Canada and the U.S., there's been
uncertainty about whether you can patent software - related inventions,» says Courage, adding the decades - old controversy is
still ongoing despite software's place as an important and evolving
area of the world economy.
Ultimately, there is
still a level
of uncertainty in this
area of the law which is unlikely to be resolved until the number
of decisions in this
area increases.
While the recent announcement
of the successful tenderers to run Primary Health Networks (PHNs) has clarified one
area of uncertainty, there are
still many unanswered questions about the role
of these new organisations and the future direction
of primary health care.