The Carnegie Reporter, in an article entitled, "Blacks and Latinos in the U.S., Still an Evolving Relationship"
http://www.carnegie.org/reporter/18/blk_latinos/index.html, (2009, 5, 24 ff.) includes charts that can serve as a starting point on the urgent need to attract diverse groups into science. Data is well known; the charts are so clear!
The Decline of the White Majority: Shares of US Population 1980-2030.
Green = Non-White, and tan = White.
Vertical bars indicate the percentages of Non-White and White in 1980, 1990, 2000, 2010, 2020, and 2030.
By 2030, the US population is expected to be 45% Non-White.
Diversity Within the Non-White US Population 1980-2030.
Green = Asian and other Non-White, tan = Hispanic, blue = Black.
Vertical bars again range from 1980 to 2030.
By 2030, 45% of US population is expected to be Non-White (10% Asian & other; 23% Hispanic, & 12% Black).
This Non-White population itself is expected to be 51% Hispanic, 27% Black, 22% Asian &other.