Global momentum on climate action falters amid war, inflation

Clean energy growth worldwide offers hope of limiting warming to 1.5C.
But progress is uneven, with solar and EVs advancing faster than grid upgrades.
High energy prices and economic turmoil have weakened climate commitments in Europe.
Fossil fuel demand must fall 25% by 2030, requiring $4.5 trillion in clean energy investment annually.
International cooperation crucial, but threatened by geopolitical divides.