Algae grown on dairy effluent cuts mineral fertiliser use by 25%
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Russia to hold biggest military exercises since Cold War
They'll involve 300,000 troops, 1,000 military aircraft, two of Russia's naval fleets, and all its airborne units.
U.S. and South Korea suspend two more military exercises
The Pentagon said the idea is to support negotiations with North Korea but Trump said Pyongyang is still an extraordinary threat
Kim Jong-un visits China following historic Trump summit
North Korea's leader met with Chinese President Xi Jinping on his third trip to Beijing since March. They were expected to discuss sanctions and the denuclearisation of the Korean peninsula.
Which countries spend the most on their military?
Total world military expenditure was estimated to reach nearly €1.5 billion in 2017, the highest level since the end of the Cold War. How does Europe, and your country, stack up?
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Russian paratroopers film their drill jumps
The Russian military has release footage of the moment its paratroopers jumpr from an airplane
Stark choice for Britain: invest in army or face Russian attack
The UK has a black hole in its defence budget whilst the Russia is developing "eye-watering" military capabilities. In a rare political intervention, Britain's army chief has called for additional defence funding.
Serbian & US paratroopers train together
A little more than a decade ago US and Serbian forces were at loggerheads in the Balkans. Now they are training together with a view to an eventual Serbian-NATO partnership.
US holds naval drill in South Korean peninsula
Donald Trump's 12-day tour of Asia has not lessened tension between the US and North Korea. Events took a personal turn over the weekend with the two leaders trading personal insults.
US conducts military exercises on Korean peninsula
Live-fire drills conducted as part of two-day exercise amid tensions with North Korea.
Western concerns over Russia-Belarus military drills
Western concerns over Russia-Belarus military drills
China and Russia stage naval drills near North Korea amid heightened tension
Zapad 2017: what you need to know about Belarus and Russia's military exercises
This week Russia and Belarus are conducting drills that have worried Nato members.
Venezuela holds military exercises after US threat
Venezuela is holding two days of nationwide armed forces exercises and has called on civilians to join reserve units to defend against a possible attack by the US.
Russia in display of naval might
Russia's annual Navy Day parade in gives Moscow the chance to display to the world its maritime power and military strength.
China's Xi calls for building elite army during 90th anniversary parade
China's President, Xi Jinping has marked the 90th anniversary of People's Liberation Army by calling for an elite military force to be built
HMS Queen Elizabeth sets sail
HMS Queen Elizabeth will spend two years at sea for trials
Japan's security forces prepare for Olympic games
In preparation for the 2020 Olympic games Japan's security forces have been test-driving anti-terrorist protocols
US launches missile test
Gotland: Western sentinel in the Baltic sea
It's also ranked as a top tourist destination for its Viking Age charm... But right now this Swedish island close to Russia is beefing up its military forces and ties with NATO.
Divisions of Poland's new defence strategy
Since Russia's annexation of Crimea and the subsequent fighting in Eastern Ukraine, neighbouring Poland has become nervous.