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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 Ad47IPNH061k0XSWyqxIzeUf37ufhRo1tyMOjXGT58O4U5wz458PAMD/LSqdaElQ
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<SEC-DOCUMENT>9999999997-07-041945.txt : 20070925
<SEC-HEADER>9999999997-07-041945.hdr.sgml : 20070925
<ACCEPTANCE-DATETIME>20070925164206
<PAPER>
ACCESSION NUMBER:		9999999997-07-041945
CONFORMED SUBMISSION TYPE:	CERTNYS
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20070924
DATE AS OF CHANGE:		20070925
EFFECTIVENESS DATE:		20070924

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BlackRock EcoSolutions Investment Trust
		CENTRAL INDEX KEY:			0001403238
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		CERTNYS
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33620
		FILM NUMBER:		07060221

	BUSINESS ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809
		BUSINESS PHONE:		800-882-0052

	MAIL ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BlackRock Alternative Energy & Resource Trust
		DATE OF NAME CHANGE:	20070614
</SEC-HEADER>
<DOCUMENT>
<TYPE>CERTNYS
<SEQUENCE>1
<FILENAME>9999999997-07-041945.paper
<DESCRIPTION>AUTO-GENERATED PAPER DOCUMENT
<TEXT>
This document was generated as part of a paper submission.
Please reference the Document Control Number 07060221 for access to the original document.
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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