Mike Graham clashes former Green Party leader Natalie Bennett over Extinction Rebellion's recent "vandalism" at Cambridge University.
Extinction Rebellion's Cambridge branch dug up the lawn of the university's Trinity College to protest its links to oil and gas companies.
Three Stop HS2 protesters have been arrested for refusing to move from a site set to be cleared for the high speed rail project.
The future king told the World Economic Forum in Davos that climate change was one of the “greatest threats humanity has ever faced”.
The teenage activist told political and business leaders in Davos that environmental movements pushing for action were "just the beginning".
Protesters say the Australian government has "failed" to protect citizens from the unprecedented fire crisis that has claimed 26 lives.
Almost 900 additional deaths among over-65s occurred in Englang when temperatures soared to record-breaking heights last summer.
Three climate change protesters have been arrested for climbing a Scottish gas rig in a demonstration against the fossil fuel industry.
Three climate protesters have been given a 12-month conditional discharge for gluing themselves to a train at Canary Wharf station.
The PM said he does not agree with the White House on climate change and will make the case for becoming carbon neutral "very forcefully".
The 16-year-old climate activist has become the youngest person ever to receive the accolade.
The shadow chancellor said talking to local communities showed tackling climate change to be the “number one priority” in every UK region.
The environmentalist said he was disappointed his son's absence from last night's debate had "taken over" from the issue of climate change.
Michael Gove has accused opposition party leaders of a “denial of democracy” after he was refused entry to a leaders’ debate on the climate.
A climate activist who glued herself to a courtroom in the name of Extinction Rebellion tells talkRADIO why she stands by her actions.
Melanie Edwards, 48, glued herself to the witness stand as she stood trial in City of London Magistrates Court for a separate offence.
Deputy leader Amelia Womack has said if the UK doesn't invest in climate change now, dealing with the effects will be "even more expensive".
The action - taking place in 22 countries - is highlighting the "vulnerability of food supplies", the climate activism group say.
Deputy leader Sir Ed Davey will say in a speech today that the plan will see Britain become a world leader in wind and tidal power.
The 16-year-old climate activist is returning to Europe after a global climate meeting was relocated from Chile to Spain.
The climate activism group are aiming to top the charts with a new single, which calls for action on global warming "before we're all dead".
The demonstration aimed to show impact of climate change by highlighting the threat of rising sea levels.
Human rights activist Peter Tatchell has welcomed a court ruling that police were unlawful in imposing a blanket ban on XR London protests.
Extinction Rebellion have won a High Court challenge against the Met Police over a protest ban imposed during their 'Autumn Uprising'.
A climate activist has been acquitted of criminal damage as the court ruled she acted to protect homes "under threat from climate change”.
The climate activist has appealed for help to travel back across the Atlantic by boat after a UN summit was relocated from Chile to Spain.
A poll of more than 2,000 found 54 per cent of voters thought the issue would "greatly or somewhat" influence their vote on December 12.
The judge told 33-year-old Joseph O'Malley to "find some work" as he handed the protester a £750 fine for the "senseless vandalism".
The government could introduce green number plates to promote zero-emission cars - but the opposition has labelled the plans a "gimmick".
Five Extinction Rebellion protesters are due to appear in court today following disruption to London's transport network on Thursday.
The group issued an apology about their protest today on the London Underground, which saw demonstrators dragged from trains by commuters.
Commuters faced delays this morning after Extinction Rebellion activists glued themselves to London Underground trains.
More than 100 high profile names have signed an open letter admitting they are "hypocrites" for supporting the anti-climate change movement.
A north London Rabbi said it was his "religious and moral duty" to stand up for his beliefs at the Extinction Rebellion demos in the city.
Dozens of activists have gathered outside the Bank of England in a bid to cause "major disruption" to the banking sector.
Zack Polanksi has called to overhaul the voting system in general elections so that voters don't see the Green Party as a "wasted vote".
He told Extinction Rebellion activists it was a “tremendous compliment” to be called "uncooperative crusties" by the Prime Minister.
DAC Laurence Taylor tells talkRADIO the Extinction Rebellion protest activity is now "unlawful" as the number of arrests surpasses 500.
Demonstrators are asking the public to send them donations of vegan food, hot water, camping equipment and warm clothes.
Around 30,000 protesters are expected to descend on London's streets for the Extinction Rebellion protests for action on climate change.
Protesters from the climate change movement told talkRADIO they are rallying today because they are “scared".
Extinction Rebellion members used a fire engine to spray 1,800 litres of fake blood over the government building.
Hundreds of schoolchildren have taken time off school to take part in climate change protests across the UK.
Jonathan Bartley clashed with talkRADIO's Julia Hartley-Brewer over whether children should take time off school to attend climate rallies.
Two major roads out of the port are expected to be blocked for four hours by environmental activists on Saturday.
He said it was “extremely worrying” that thousands of UK students were being taught about climate change in a free programme backed by the UN.
He questioned the UK band's commitment to the environment and asked whether it plans to travel by air on an upcoming world tour.
The climate activist has crossed the Atlantic on a zero-emissions sailboat to attend a global warming conference.
The Met Office said a bank holiday heatwave could see temperatures reach 33 degrees and set a new record for the long weekend.
Edinburgh City Council has faced criticism over plans to allow students just one day off school to protest for action on climate change.
The 16-year-old climate change activist will sail in a high-tech yacht to avoid greenhouse emissions but columnist Brendan O'Neill has branded the crossing a stunt.
The college has banned beef and will phase out single-use plastics as part of 'urgent action to cut carbon use'.
A former banker turned Extinction Rebellion protester has faced court for his role in the April mass demonstrations.