By Simon Jessop

BELEM, Brazil (Reuters) -Countries trying to shift to clean energy while also preparing for extreme weather and other impacts in a warmer world will need money – a lot of it. As the costs and risks of global warming escalate, the topic of climate finance has become more tense. Here’s what you need to know:

WHAT IS CLIMATE FINANCE?

This describes all funding from governments, development banks, private investors and philanthropies aimed at helping countries cut greenhouse gas emissions or adapt to climate impacts, for example through projects in renewable energy or for flood defenses.

WHY DOES IT MATTER?

Without climate finance, poorer countries will struggle to decarbonize their economies and protect vulnerable populations. Because these countries contributed the least

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