The UN Secretary-General Antonio Guterres has called for major reforms in global institutions, including UN Security Council, to be able to address modern challenges.<br />'' <br />''In his inaugural speech of the 78th session of the United Nations General Assembly debates, Mr. Guterres urged redesigning international financial architecture, so that it becomes truly universal and serves as a global safety net for developing countries in trouble.<br />'' <br />''Mr. Guterres has also called for urgent action to combat climate change, including providing resources to developing countries to establish green energy sources.<br />'' <br />''He said that climate chaos is breaking new records, but world cannot afford the same old broken record of scapegoating and waiting for others to move first.<br />''<br />''Speaking on the occasion, US President Joe Biden has called for international cooperation to tackle global challenges, stressing that countries across the world share a common future.<br />''<br />''<span style="color: #222222;">The 78th UN General Debate kicks off today, opening a period of high-level discussions that runs through 26th of September.</span>