1. This means there is a shortfall of 6 billion tons even if all the most ambitious pledges by individual countries are combined.
2. China is now the leading country in terms of developing green energy sources and has the most ambitious targets for reducing per unit carbon emissions.
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3. Easily his most ambitious film, it combined the usual Chow nonsense comedy with a sports storyline and special effects.
4. Obama also promised an ambitious foreign policy agenda that included withdrawing most US combat troops from Iraq.
5. The book sums up the work of dozens of researchers on one of the most ambitious projects undertaken in economic history.
6. Perhaps the most ambitious work in a solo career festooned with pioneering records, the album relies on the myriad textures and timbres of the human voice.
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7. Most of the private bank formulae discussed at the symposium were very ambitious.
8. They are arguably the most ambitious group but I could see the deep inferiority in their hearts.
9. The UN sources said under the global scenario of urbanization and population growth are threatening one of the UN's most ambitious millennium development goals.
10. The statement said its pledge is the most ambitious mitigation target so far submitted under the Copenhagen Accord.