2002', which found that the Scottish public would prefer the majority of their electricity to come from renewables and which rated wind power as the cleanest source of renewable energy. A survey conducted in 2005 showed that 74% of people in Scotland agree that wind farms are necessary to meet current and future energy needs. When people were asked the same question in a Scottish renewables study conducted in 2010, 78% agreed. The increase is significant as there were twice as many wind farms in 2010 as there were in 2005. The 2010 survey also showed that 52% disagreed with the statement that wind farms are "ugly and a blot on the landscape". 59% agreed that wind farms were necessary and that how they looked was unimportant. Scotland is planning to obtain 100% of electricity from renewable sources by 2020. A British 2015 survey showed 68% support and 10% opposition to onshore wind farms. Politics In the UK, the ruling Conservative government was previously opposed to further onshore wind turbines and cancelled subsidies for new onshore wind turbines from April 2016. The former prime minister David Cameron stated that "We will halt the spread of onshore wind farms", and claimed that "People are fed up with onshore wind" though polls of public opinion showed the converse. Leo Murray of Possible (formerly 10:10 Climate Action) said, "It looks increasingly absurd that the Conservatives have effectively banned Britain's cheapest source of new power." As the UK's Conservative government was opposed to onshore wind power it attempted to cancel existing subsidies for onshore wind turbines a year early from April 2016, although the House of Lords struck those changes down. The wind power industry has claimed that the policy will increase electricity prices for consumers as onshore wind is one of the cheapest power technologies, although the government disputes this, and it is estimated that 2,500 turbines will not now be built. Questions have been raised about whether the country will now meet its renewable obligations, as Committee on Climate Change has stated that 25GW of onshore wind may be needed by 2030. In 2020, the Boris Johnson-led government decided to stop the block on onshore wind power, and since December 2021 onshore wind developers have been able to compete in subsidy auctions with solar power and offshore wind. On 24 September 2020, Boris Johnson reaffirmed his commitment to renewables, especially wind power