| DARKENERGY | Force in space comprising about 70 per cent of the universe (4,6) |
| HYDROGEN | About 90 per cent of the universe |
| DARKMATTER | Hypothetical material said to account for twenty-five per cent of the universe's total energetic density |
| ALLEN | Morasses east of the Shannon. comprising about 370 square miles of Offaly. Meath, Laois and Kildare (3.2.5) |
| BOGOF | Morasses east of the Shannon. comprising about 370 square miles of Offaly. Meath, Laois and Kildare (3.2.5) |
| OCEAN | General name for any of the major bodies of water which collectively cover around 70 per cent of Earth's surface (5) |
| BABYBOOMER | Young Australian? He must be about 70! (4,6) |
| WILMINGTON | Sussex village featuring the Long Man, a chalk figure about seventy metres tall |
| SWEDEN | 70 per cent forested and with 60 per cent of its energy for heating derived from a renewable source, one of the world's most sustainable counties (6) |
| MARTINI | 70 per cent of French island drink (7) |
| COLLATE | Arrange 70 per cent of security (7) |
| CHAIN | Seventy per cent of characters killed off by popular series (5) |
| KARAKUM | Great sandy region in Central Asia lying south of the Amu Darya river and occupying about 70 percent of the area of Turkmenistan. (7) |
| ARAL | - Sea; body of water between Kazakhstan and Uzbekistan, once the world's fourth largest lake but has shrunk some 70 per cent (4) |
| OXYGEN | Accounting for 65 per cent of the mass of the human body, the third-most abundant element in the universe, atomic number eight (6) |
| LORDHOWE | Which Australian tourist island is on the UNESCO World Heritage list and is 70 per cent national park? (4,4) |
| OKINAWA | The largest island in the Ryukyu Island chain, being about 70 miles (112 km) long and 7 miles (11 km) wide and having an area of 463 square miles (1,199 square km). (7) |
| CHIANTI | Since 2006, this blended wine must be at least 70 per cent Sangiovese, and use no white grapes |
| SIMPATICO | Is seventy per cent compatible, perhaps, or absolutely so |
| SEASCOUTS | About 25 per cent of the UK's groups of ____ are recognised by the Royal Navy |