Investments in snow pay high-dollar dividends.
Benefit-cost analysis
Natural Resource Exploitation Could Reach New Depths
The deep seafloor could provide humans with supplies of valuable metals, but opinion is divided as to whether sustainable exploitation is possible and worth the ecological and economic risk.
Measuring Progress Toward Sustainable Goals
Grouping targets that need to be hit into composite goals may help countries evaluate their progress toward sustainable development targets laid out by the United Nations.