Climate change has been a constant feature of Planet Earth: at points in history, the planet has been both much cooler and much warmer than it is today - if we know which plants occupied an ecosystem the last time the Earth was a certain temperature or had a certain level of CO2 in the atmosphere, we can predict what our ecosystems will look like in the conditions that we will soon be living in.

Using tiny fossilised clues, Carlos and Camila are doing exactly this.

The climate change we are currently living through is unprecedented in speed – and water and rain cycles are a major concern for humanity’s continued existence on the planet, so one focus of this work is the Amazon rainforest – both Colombia’s slice of it and further afield.

President Petro's Disastrous Televised Cabinet Meeting or The Petro Presidency Meltdown.

Pause for breath if you can, but we've been experiencing a barrage of negative headlines surrounding Colombia's President Petro.

This began with, at first, the online fracas with President Trump over the treatment of Colombian illegal migrants being returned to their homeland to, most recently, a total car crash of a televised cabinet meeting.

Did you watch it? If not, the best bits have been put together here by El Pais for your viewing entertainment: COLOMBIA | Los momentos memorables del consejo de ministros de Petro | EL PAÍS

Anyway, on this episode of the Colombia Calling podcast, we chat to Adriaan Alsema, director of Colombia Reports, about whether we can call this the "Petro Presidency Meltdown," and what we can expect from the Colombian premier for the remaining year and a bit of his tenure.

We look at the cornerstone policy plans of Petro's administration and discuss if whether any will get through Congress before his time is up. What has happened to Total Peace (Paz Total), the Health, Pension and Labour reforms...is the Petro project doomed to failure? And, where does the political chameleon and survivor Armando Benedetti fit into all this?

The Colombia Briefing is reported by Emily Hart.

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This week on the Colombia Calling podcast, we speak to Lorena Estupiñán-Pedraza, a professor of international relations and political science from Boyaca, but resident in the southern city of Cali.

In a far-ranging conversation, we discuss Lorena's PhD studies public policy implementation in Boyaca, local problems with global impacts and all about what it means to be from Boyaca and to understand the Boyacense idiosyncrasy and culture.

Tune in to this, the Colombia Briefing with Emily Hart and subscribe to the podcast.