Carbon that is not combined with other elements; in a pure form.
Carbon that is released into the atmosphere without being processed or captured.
रिहा कार्बन
English Usage: Reducing free carbon emissions is crucial for combating climate change.
Hindi Usage: स्वतंत्र कार्बन उत्सर्जन को कम करना जलवायु परिवर्तन से लड़ने के लिए महत्वपूर्ण है।