World leaders sign landmark climate accord pledging net-zero by 2045 ••• AI system diagnoses rare diseases with 98% accuracy in clinical trials ••• IMF raises global growth forecast to 3.8% on emerging market surge ••• NASA and ESA confirm joint Mars Sample Return mission for 2028 ••• Renewables cross 60% of global electricity for first time in history World leaders sign landmark climate accord pledging net-zero by 2045 ••• AI system diagnoses rare diseases with 98% accuracy in clinical trials ••• IMF raises global growth forecast to 3.8% on emerging market surge ••• NASA and ESA confirm joint Mars Sample Return mission for 2028 ••• Renewables cross 60% of global electricity for first time in history
