Holodomor is an (a)   and whether this accusation is accurate or not is still a subject of debate. (allege)

The (a)   that by 2100, the global population will reach 11 billion is one of the main reasons for the global food security challenge. (project)

The prevalance of drought in Texas has not dropped below 40 percent in the last decade and we expect it to (a)   in the future. (height)

We have an (a)   to create a sustainable environment for our children. (oblige)

Crop varieties that (a)   in their current native habitat may cease to exist when the climate changes. (flourishing)

In situ (a)   involves leaving those plants outdoors in their natural habitat – within their own ecosystem. (conserve)

One issue that limits seed bank (a)   is that a lot of them are in regions where wars are still a threat. (efficacious)

When one of the varieties stored in the seed banks goes extinct, the bank returns the sample seeds to their homeland and the first ever (a)   happened in Svalbard. (withdraw)

It would be (a)   to expect somebody to come at such short notice. (reason)

Lifting people from extreme poverty to stable (a)   actually costs relatively little energy. (subsist)

City (a)   tend to have higher incomes, so they consume more energy on average than their rural counterparts. (dwell)

We should not forget the fact that the number of people who (a)   the cities is unlikely to drop anytime soon. (inhabitant)

What is the most (a)   way that life on Earth could end? What is the least likely doomsday scenario? (plausibility)

For organic farming to become more widespread, they have to become more (a)   . (afford)

Some people claim that renewables are just an (a)   source of power,so they cannot substitute for fossil fuels. (signify)

While a total of 25% of Germany’s energy demand is obtained from renewables, Spain’s (a)   renewable energy currently approximates 30%. (aggregation)

Building a city from scratch is not really (a)   as it costs a lot of money and resources. (feasibility)