MIT Creates Global Award for Sustainability, but Only if You're in the U.S.

Why are sustainable innovations for the developing world limited to inventors based in the U.S.?

MIT once again takes the lead in driving bottom of the pyramid innovations with its latest announcement of the $100,000 Lemelson-MIT Award for Sustainability. From the Lemelson-MIT website:

The $100,000 Lemelson-MIT Award for Sustainability honors inventors
whose products or processes impact issues of global relevance, as well
as issues that impact local communities in terms of meeting basic...