Did the world make progress on climate change? Here's what was decided at global talks

Contentious climate negotiations ended in Sharm El-Sheikh, Egypt, as negotiators from around the world finalized a modest deal to help control global warming and pay for the costs of a hotter Earth.

Deep-seated tensions flared between richer countries that have prospered by burning fossil fuels, and developing ones, which are bearing the brunt of climate-driven disasters. But in a historic move, countries agreed to establish a fund to support poorer countries already hit hardest by the impacts.

The negotiations went nearly two days past their scheduled deadline – into "hostage phase," as one South African delegate put it. Countries struggled to compromise on a plan that would reduce global dependence on fossil fuels, while helping vulnerable countries pay for the damage caused by worsening sea level rise, storms, droughts, heat waves and other climate-driven disasters.

The final deal, announced Sunday morning in Egypt, reiterates the goal set by the 2015 Paris climate agreement to keep overall global warming from rising more than 1.5 degrees Celsius (about 2.8 degrees Fahrenheit) compared to pre-industrial era of the 1800s.

But it is unclear how that goal will be achieved, because negotiators could not agree that fossil fuels must be phased out. The