Entech Solar Announces Changes to the Board

FORT WORTH, Texas--(Business Wire)--
Entech Solar, formerly WorldWater & Solar Technologies, (OTC BB: WWAT.OB), a
leader in concentrating solar energy systems, announced today that it has
appointed David Gelbaum as Chairman of its Board of Directors. Mr. Gelbaum
replaces Quentin Kelly, who resigned as an employee and director of the Company
and director of the Company`s subsidiary ENTECH, Inc., effective January 7,
2009. Mr. Kelly founded the Company in 1984.

"On behalf of Entech Solar, I would like to extend my sincere gratitude to
Quentin Kelly for his service to the Company," said Mr. Gelbaum. "I am delighted
to help lead Entech Solar in its new direction and toward continued growth." Mr.
Gelbaum is a trustee of The Quercus Trust, one of North America's largest clean
technology funds.

In conjunction with Mr. Gelbaum`s appointment to Chairman of the Board, Joseph
Bartlett, a corporate and securities lawyer, has been appointed as a Director of
Entech Solar, and Hong Hou and Reuben Richards have resigned from the Board.

These changes follow the Company`s announcement today that it has changed its
name from WorldWater & Solar Technologies Corp. to Entech Solar, Inc., marking a
new direction for the Company whose core business is now manufacturing and
selling concentrating solar energy systems.

About Entech Solar

Entech Solar is a leading provider of concentrating solar energy systems. Entech
designs, manufactures and installs systems that provide both electricity and
thermal energy for commercial and industrial applications. Entech uses its
proprietary concentrating photovoltaic and thermal (CPVT) technology to deliver
the ThermaVolt system, which produces cost-competitive distributed energy. For
more information, please visit www.entechsolar.com.

Entech Solar Press:
Amy Copeman, 609-818-0700 ext. 58
acopeman@entechsolar.com
or
Entech Solar Investor Relations:
Chris Witty, 646-438-9385
cwitty@darrowir.com

Copyright Business Wire 2009