MEGAN ROWLING HOSPITALS and other healthcare facilities worldwide can prepare better for both climate change and future pandemics by adopting green technology and cutting planet-heating emissions from their operations and supply chains, health experts said on Wednesday. A new roadmap setting out ways for the health sector to reach net-zero emissions said healthcare has a "substantial" climate footprint, accounting for 4.4% of global emissions, mostly due to the use of fossil fuels for energy and products. Without action to shrink those emissions, they would more than triple by 2050, equalling the annual emissions from 770 coal-fired power plants, said the…