Sentence examples for has posed serious challenges from inspiring English sources

Economic development has posed serious challenges to ecosystems and biodiversity conservation.

At the same time, HIV/AIDS has posed serious challenges to nutrition development.

The Great Recession, the sovereign debt crisis, unemployment, have posed serious challenges to its economy.

Attacks by rebel groups and open hostility by some wary locals have posed serious challenges to health workers that Ebola experts say they've never been seen before.

Pandemic influenza A (H1N1) 2009 has posed a serious public health challenge world-wide.

For instance, while a fragmented regulatory regime in India has historically posed serious challenges to the growth of the innovative health biotech sector, lack of practical experience on the part of Brazilian and South African regulators was thought to make product approval challenging in these countries.

The harsh conditions have long posed serious challenges to agricultural pursuits, resulting in irregular crop output and periodic bouts of large-scale famine.

The conception of the mind as a tabula rasa posed serious challenges for empiricists.

American military officials have said they now have enough interrogators, but the number of detainees has continued to grow, posing serious challenges for the system.

These orders have been the subject of intense scrutiny by legal scholars and human rights organisations, who have voiced concern that they pose serious challenges to the rule of law in Australia.

Containing the strife has posed a serious challenge to Mr. Thein Sein's government as it tries to make democratic reforms.