January 28, 2005



Terra Nova Acquisition Corporation
Toronto, Ontario

Dear Sir/Madam:

We hereby consent to the use in the Prospectus constituting a part of this
Registration Statement of our report dated January 25, 2005 relating to the
financial statements of Terra Nova Acquisition Corporation, which is contained
in that Prospectus. Our report contains an explanatory paragraph regarding
uncertainties as to the ability of the Company to continue as a going concern.

We also consent to the reference to us under the caption "Experts" in the
Prospectus.

Very truly yours,





BDO Seidman, LLP