New Delhi, Jul 11 (IANS): Networks representing over 7,000 higher education institutions from across the world on Thursday declared a climate emergency and agreed to undertake steps to address the crisis. In a joint letter, they talked about a three-point plan that includes going carbon neutral by 2030 or 2050 at the latest, mobilising more resources for action-oriented climate change research and skills creation, and increasing the delivery of environmental and sustainability education across curricula, campus and community outreach programmes.