Linguistics is the scientific study of language, and involves an analysis of language form, language meaning, and language in context. The earliest activities in the documentation and description of language have been attributed to the 6th century BC Indian grammarian Pāṇini, who wrote a formal description of the Sanskrit language in his Aṣṭādhyāyī.
We have reached planetary boundaries - human pressures on finite, earth systems are at a tipping point. However, the technology to address this near catastrophe is now within our reach, according to expert in sustainable development, Jeffrey Sachs.