PUTNEY, VERMONT — With the continuing failure of governments to reach agreements on combating climate change, the outlook for both humans and nature remains bleak. And nowhere is the failure more conspicuous than in the avoidance of the subject of population growth. Population is a double-barreled environmental problem — not only is population increasing; so are emissions per capita.

Written by Jeff Thurston The devel­op­ment and release of 3D GIS is a major step for­ward into the future. It will undoubt­edly cause a stir, sev­eral peo­ple to scratch their heads and unleash a wave of new think­ing that we have not expe­ri­enced in the geo­com­mu­nity for quite some time. It will cross dis­ci­plines, open doors and stir the pot of con­tented indi­vid­u­als who thought we had gone as far as we could go.

By Bradford Plumer Sometime around 2050, there are going to be nine billion people roaming this planet—two billion more than there are today. It's a safe bet that all those folks will want to eat. And that's... an incredibly daunting prospect. Right now, an estimated one billion people go hungry each day.

A new ranking of the world’s nations by environmental performance puts some of the globe’s largest economies far down the list, with the United States sinking to 61st and China to 121st.