Reading Passage 3: Conquering Earth’s space junk problem Satellites, rocket shards and collision debris are creating major traffic risks in orbit around the planet. Researchers…
Reading Passage 2: Forest management in Pennsylvania, USA How managing low-quality wood (also known as low-use wood) for bioenergy can encourage sustainable forest management A…
Reading Passage 1: How tennis rackets have changed In 2016, the British professional tennis player Andy Murray was ranked as the world’s number one. It…