The phrase "a more ambitious project" is correct and usable in written English.
It can be used when comparing the level of ambition or scope of different projects, indicating that one project has greater goals or challenges than another.
Example: "This year, we are launching a more ambitious project that aims to reduce carbon emissions by 50%."
Alternatives: "a bolder initiative" or "a larger undertaking."
A year later, the Mayers started on a more ambitious project, their great apartment building at 235 East 22nd Street, opened in 1930 and now a condop called Gramercy House, with about 320 apartments.
For a more ambitious project, try paneling the interior of a closet with cedar strips.
Over the years, what became known as Moynihan Station evolved into a more ambitious project.
But Douglas Hofstadter's book is a more ambitious project.
Teams of three will be expected to devise and implement a more ambitious project than teams of two.
A job at Munich University followed and in the early 90s Pääbo turned to a more ambitious project: Neanderthal DNA.
After groups representing authors and publishers sued Google, charging copyright infringement in 2005, Google, and the authors and publishers, saw an opportunity to embark on a far more ambitious project — a universal digital library and bookstore.
For PLAN International and sponsors Telefonica SA, the video conference was a dry run for a much more ambitious project they hope to host, a live video conference between the Special Session and six Children's Parliaments around the world.
Kyle Weiss' July trip to Swaziland was a precursor to a much more ambitious project, set for the final weeks of December 2010.
A few years later, Drake and Sagan would team up again on a much more ambitious project, attaching a gold-plated record full of music and photos onto the two Voyager probes.
But United considers the renovation an important part of a much more ambitious project than simple passenger comfort: giving it a competitive weapon at Tokyo, the lucrative gateway to Asia.
