Nov 27 (Reuters) - Following a year of record heat and drought, this year's U.N. climate summit will feature a contentious set of issues for countries working to find common ground in tackling climate change, including whether to phase out fossil fuels and how to finance the energy transition in developing countries. Here are the key issues in the two-week COP28 negotiations starting Nov. 30 in Dubai. TAKING STOCK OF CLIMATE PROGRESS The main task at COP28 is a first-time assessment of countries' progress towards meeting the 2015 Paris Agreement's goal of limiting the global temperature rise to "well below"...