However, the bill is not yet strong enough if it is to help us tackle the greatest challenge of our age. (politics.co.uk)
Better and more regular uptake of vaccines could improve health outcomes of Canadian adults and offset some of the economic challenges of an aging society. (cdhowe.org)
The defining challenge of our age is to safeguard Earth's natural processes to ensure the well - being of civilization while eradicating poverty, reducing conflict over resources, and supporting human and ecosystem health. (dotearth.blogs.nytimes.com)