Definition. Thoracic surgery is the repair of organs located in the thorax, or chest. The thoracic cavity lies between the neck and the diaphragm, and contains the heart and lungs (cardiopulmonary system), the esophagus, trachea, pleura, mediastinum, chest wall, and diaphragm.
If youâre reading this, chances are you switched on a light. But for the 1.3 billion people around the world who lack access to electricity, darkness is a reality. There is no electric light for children to do their homework by, no power to run refrigerators that keep perishables or needed medicine cold, no power for cooking stoves or microwaves.
India is the world's third biggest greenhouse gas emitter (not including the European Union) but has pledged to source 40% of its electricity from renewable and low-carbon sources by 2030. The country is home to 13 of the 20 most polluted cities in the world, according to a World Health Organization report.