MICHAEL TAYLOR GLOBAL annual spending to protect and restore nature needs to triple this decade to about $350 billion by 2030 and rise to $536 billion by 2050, a U.N. report has said, urging a shift in mindset among financiers, businesses and governments. The inaugural State of Finance for Nature report looked at how to tackle the planet's climate, biodiversity and land degradation crises, estimating about $8 trillion in investment is needed by mid-century to safeguard natural systems. Report co-author Ivo Mulder, who heads the climate finance unit at the United Nations Environment Programme (UNEP), said financial flows should work…