The Centre will provide Rs 30 core to Karnataka for phasing out 350 tonnes of ozone depleting substances (ODS) from 12 projects, out of a total of Rs 610 crore received as funds from developed nations for phasing out nearly 12,250 tonnes of ODS for as many as 350 projects countrywide. Union Minister for Environment and Forests T R Baalu announced this at the Eight International Day for Preservation of the Ozone Layer held in Bangalore today.