People of the southwest Pacific Ocean nation of Papua New Guinea face dual threats from rising sea levels and the advent of undersea mining for valuable metals.
While the vast majority of Vermont students are eligible for the vouchers, which pay the full cost of up to two college classes, students who attend religious and other private schools are not.
Hawking's avowed atheism did not keep him from engaging in dialogue and debate with the church as his work and contribution to the papal academy showed.