The Shift to Environmental Stocks; (NasdaqGS: BWEN ), .(NasdaqGS: FSLR ), (NYSE: STP ), (NYSE: YGE ) Company Snapshots for Abtech Holdings (OTC.BB:ABHD), Clean Wind Energy Tower, Inc. (OTCBB: CWET)

Point Roberts, WA –March 21, 2011 - Investorideas.com, a leader in cleantech stock research, reports on
morning trading for March 21. Investors continue to turn to cleantech stocks following the nuclear disaster
in Japan. In morning trading, equities, oil and gold were all up, giving investors green in all market
segments.

Green Stocks Snapshot; Morning Trading
Abtech Holdings (OTCBB:ABHD ) trading at $1.32 , up 0.05 (3.94%)
Broadwind Energy, Inc. (NasdaqGS: BWEN ) trading at $1.46, up 0.01 (0.69%) 10:31AM EDT
Clean Wind Energy Tower, Inc. (OTCBB: CWET) trading at $0.24
First Solar, Inc.(NasdaqGS: FSLR ) trading at $151.47, up 1.81 (1.21%) 10:31AM EDT
Suntech Power Holdings (NYSE: STP ) trading at $8.7, up 0.23 (2.69%) 10:31AM EDT
Yingli Green Energy Holding (NYSE: YGE ) trading at $11.81, up 0.28 (2.43%) 10:41AM EDT

Market Snapshot
Dow 12,048.22 +189.70 +1.60%
NASDAQ 2,693.38 +49.71 +1.88%
S&P 500 1,297.75 +18.55 +1.45%
10 Yr Bond(%) 3.3470% +0.0700
Oil 101.73 +0.72 +0.71%
Gold 1,433.50 +17.60 +1.24%

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Environmental Company Snapshot
About Abtech Holdings (OTC.BB:ABHD ) and AbTech Industries
AbTech Industries, Inc. (a subsidiary of Abtech Holdings Inc.) is an environmental technologies firm
dedicated to providing innovative solutions to communities, industry and governments addressing
issues of water pollutants and contamination. Its products are based on polymer technologies capable
of removing hydrocarbons, sediment and other foreign elements from still (ponds, lakes and marinas)
or flowing water (curbside drains, pipe outflows, rivers and oceans). Smart Sponge Plus contains
an antimicrobial agent that is effective in reducing coliform bacteria found in stormwater, industrial
wastewater and municipal wastewater. AbTech's Smart Sponge technology is installed in more than
15,000 locations across America and in 8 countries worldwide.
www.abtechindustries.com

Wind Company Snapshot

Clean Wind Energy Tower, Inc. (OTCBB: CWET)
Clean Wind Energy, Inc., a wholly owned subsidiary of Clean Wind Energy Tower, Inc., was established
to commercialize a number of proven and validated technologies and construction systems into a single
large downdraft tower structure that use benevolent, non-toxic natural elements to generate electricity

and clean water economically by integrating and synthesizing numerous proven as well as emerging
technologies. In addition to constructing Downdraft Towers in the United States and abroad, Clean Wind
Energy, Inc. has assembled a world class team of experienced business professionals, engineers and
scientists with access to the breakthrough energy research upon which this technology is founded and
the proven ability to bring the idea to market.

Clean Wind has filed several patents that the Company believes will further enhance this potentially
revolutionary technology. The Company intends to establish partnerships at home and abroad to
propagate these systems and meet increasing global demand for clean water and electricity.
www.cleanwindenergytower.com

Visit the showcase page at Investorideas.com: http://www.investorideas.com/CO/CWE/
Recent News:

Clean Wind Energy Tower, Inc. (OTCBB: CWET) Files Unique Hydraulic System Patent

Maximizing the Capture and Use of Available Wind Tunnel Energy

ANNAPOLIS, MD - March 7, 2011 (InvestorIdeas.com Newswire) - Clean Wind Energy Tower, Inc.
(OTCBB: CWET) announced that the Company had filed with the United States Patent & Trademark
Office "A Petition to Make Special Under Accelerated Examination Program," a patent application titled
Efficient Energy Conversion Devices & Methods. The application covers specific aspects of deploying
multiple turbines in a wind tunnel coupled to a novel hydraulic system capable of maintaining high
efficiency hydraulic to electric conversion under a wide variance of wind speeds. The ultimate goal is
to maximize the capture and utilization of all available wind energy in any given wind tunnel, as well as
providing a consistency of power output during deviations in wind speed.
Full news: http://www.investorideas.com/CO/CWE/news/2011/03071.asp

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