The European Union left Poland out of a 2050 climate neutrality agreement Friday after hours of summit haggling with three poorer eastern member states that demanded more funds for economic transition and support for nuclear power.

The Czech Republic and Hungary eventually dropped their resistance after winning a guarantee that nuclear energy would be recognized as a way for EU states to reduce greenhouse gas emissions. But Poland remained against.

The tussle came a day after Germany's Ursula von der Leyen, the new head of the bloc's executive European Commission, proposed a €100 billion ($110 billion) investment plan for net-zero greenhouse gas emissions by midcentury, declaring it Europe's "man on the moon moment."